మూస:Periodic table (list of metalloid lists) పేజీ సోర్సు చూడండి

<noinclude>{{main|metalloid|list of metalloid lists}}</noinclude>
{| class="wikitable sortable collapsible {{{state|uncollapsed}}}" cellpadding=0 border=1 style="text-align:center; margin:0; width:100%;"
|-
! colspan=22 | {{navbar-collapsible|Citations as metalloid by element|Template:Periodic table (list of metalloid lists)|mini=1}}
|- style="font-size:85%; vertical-align:top; text-align:left; line-height:115%;"
! colspan=2 rowspan=2 style="font-size:120%; text-align:left;" | Element&nbsp;→
!style="background:{{element color|metalloid citeclass 1of4}}"|Arsenic
!style="background:{{element color|metalloid citeclass 1of4}}"|Tellu{{shy}}rium
!style="background:{{element color|metalloid citeclass 1of4}}"|Germa{{shy}}nium
!style="background:{{element color|metalloid citeclass 1of4}}"|Silicon
!style="background:{{element color|metalloid citeclass 1of4}}"|Anti{{shy}}mony
!style="background:{{element color|metalloid citeclass 1of4}}"|Boron
!style="background:{{element color|metalloid citeclass 2of4}}"|Polo{{shy}}nium
!style="background:{{element color|metalloid citeclass 2of4}}"|Asta{{shy}}tine
!style="background:{{element color|metalloid citeclass 3of4}}"|Sele{{shy}}nium
!style="background:{{element color|metalloid citeclass 4of4}}"|Alu{{shy}}minium
!style="background:{{element color|metalloid citeclass 4of4}}"|Carbon
!Bis{{shy}}muth
!Phos{{shy}}phorus
!Beryl{{shy}}lium
!Tin
!Sulfur
!Liver{{shy}}morium
!Iodine
! Other
! style="background:{{element color|table header}};" | Total
|-
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Arsenic|As]]
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Tellurium|Te]]
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Germanium|Ge]]
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Silicon|Si]]
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Antimony|Sb]]
!style="background:{{element color|metalloid citeclass 1of4}}"|[[Boron|B]]
!style="background:{{element color|metalloid citeclass 2of4}}"|[[Polonium|Po]]
!style="background:{{element color|metalloid citeclass 2of4}}"|[[Astatine|At]]
!style="background:{{element color|metalloid citeclass 3of4}}"|[[Selenium|Se]]
!style="background:{{element color|metalloid citeclass 4of4}}"|[[Aluminium|Al]]
!style="background:{{element color|metalloid citeclass 4of4}}"|[[Carbon|C]]
![[Bismuth|Bi]]
![[Phosphorus|P]]
![[Beryllium|Be]]
![[Tin|Sn]]
![[Sulfur|S]]
![[Livermorium|Lv]]
![[Iodine|I]]
!
! style="background:{{element color|table header}};" | {{abbr|''avg''|Average number of metalloids cited in one list}}
|-
! colspan=2 style="text-align:left;" |Citations&nbsp;→
!style="background:{{element color|metalloid citeclass 1of4}}"|191.5
!style="background:{{element color|metalloid citeclass 1of4}}"|190.5
!style="background:{{element color|metalloid citeclass 1of4}}"|184.5
!style="background:{{element color|metalloid citeclass 1of4}}"|183.5
!style="background:{{element color|metalloid citeclass 1of4}}"|169.5
!style="background:{{element color|metalloid citeclass 1of4}}"|166
!style="background:{{element color|metalloid citeclass 2of4}}"|93.5
!style="background:{{element color|metalloid citeclass 2of4}}"|78
!style="background:{{element color|metalloid citeclass 3of4}}"|46
!style="background:{{element color|metalloid citeclass 4of4}}"|18
!style="background:{{element color|metalloid citeclass 4of4}}"|16.5
!11.5
!10
!7.5
!5.5
!3
!3
!2.5
!6
! style="background:{{element color|table header}}; font-style:normal" | ''7.15''
|-
! colspan=2 style="text-align:left;" |Frequency&nbsp;<small style="font-weight:normal;">(194&nbsp;=&nbsp;100%)&nbsp;</small>→
!style="background:{{element color|metalloid citeclass 1of4}}"|99%
!style="background:{{element color|metalloid citeclass 1of4}}"|98%
!style="background:{{element color|metalloid citeclass 1of4}}"|95%
!style="background:{{element color|metalloid citeclass 1of4}}"|95%
!style="background:{{element color|metalloid citeclass 1of4}}"|87%
!style="background:{{element color|metalloid citeclass 1of4}}"|86%
!style="background:{{element color|metalloid citeclass 2of4}}"|48%
!style="background:{{element color|metalloid citeclass 2of4}}"|40%
!style="background:{{element color|metalloid citeclass 3of4}}"|24%
!style="background:{{element color|metalloid citeclass 4of4}}"|9.3%
!style="background:{{element color|metalloid citeclass 4of4}}"|8.5%
!5.9%
!5.2%
!3.9%
!2.8%
!1.5%
!1.5%
!1.3%
!3.1%
! style="background:{{element color|table header}};" |
|- style="line-height:110%;" <!-- use 'background-color:' to get bg color in sortbutton cells -->
! Source
! Yr
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 1of4}}"|
!style="background-color:{{element color|metalloid citeclass 2of4}}"|
!style="background-color:{{element color|metalloid citeclass 2of4}}"|
!style="background-color:{{element color|metalloid citeclass 3of4}}"|
!style="background-color:{{element color|metalloid citeclass 4of4}}"|
!style="background-color:{{element color|metalloid citeclass 4of4}}"|
!
!
!
!
!
!
!
!
!style="background-color:{{element color|table header}};" |
|- style="background:#fdfdfd;"
| style="text-align:left;" | Simmons<ref>Simmons LM 1947, 'A modification of the periodic table', ''Journal of Chemical Education,'' December, pp. 588–591 (589) {{DOI|10.1021/ed024p588}}</ref>  ||1947 ||As ||Te ||<!--Ge-->||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||4
|- style="background:#f7f7f7;"
| style="text-align:left;" | Pauling<ref>{{cite book|last1=Pauling |first1=L |authorlink=Linus Pauling |year=1949 |title=General chemistry |publisher=WH Freeman, San Francisco |p=65}}</ref>  ||1949 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Szabó & Lakatos<ref>Szabó ZG & Lakatos B 1954, 'The new form of the periodic table and new periodic functions', ''Acta Chimica Academiae Scientiarum Hungaricae,'' IV 2–4, pp. 129–149 (133)</ref>  ||1954 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||10
|- style="background:#f7f7f7;"
| style="text-align:left;" | Dull, Metcalfe & Williams<ref>Dull CE, Metcalfe HC & Williams JE 1958, ''Modern chemistry'', Henry Holt and Company, New York, pp. 59–60, 62</ref>  ||1958 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Frey<ref>Frey PR 1958, ''College chemistry,'' 2nd ed., Prentice-Hall, Englewood Cliffs, NJ, p. 118</ref>  ||1958 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Johnstone & Miller<ref>Johnstone RT & Miller SE 1960, ''Occupational diseases and industrial medicine,'' Saunders, Philadelphia, p. 262</ref>  ||1960 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||C ||  ||P ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Edwards et al.<ref>Edwards JO, Ellison HR, Luaro CG & Lorand JP 1961, 'Factors which influence the stability of anionic complexes', in S Kirschner, ''Advances in the chemistry of the coordination compounds: Proceedings of the sixth international conference on coordination chemistry,'' Macmillan, New York, pp. 230–237 (230)</ref>  ||1961 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||I ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Bond<ref>Bond GC 1962, ''Catalysis by metals,'' Academic Press, London, p. 8</ref>  ||1962 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Swift & Schaefer<ref>Swift EH & Schaefer WP 1962, ''Qualitative elemental analysis,'' WH Freeman, San Francisco, p. 100</ref>  ||1962 ||As ||<!--Te-->||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hoffman<ref>Hoffman KB 1963, ''Chemistry for the applied sciences,'' Prentice-Hall, Englewood Cliffs, NJ, p. 34</ref>  ||1963 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Nathans<ref>Nathans MW 1963, ''Elementary chemistry,'' Prentice-Hall, Englewood Cliffs, NJ, p. 122</ref>  ||1963 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Bailar, Moeller & Kleinberg<ref>Bailar JC, Moeller T & Kleinberg J 1965, ''University chemistry,'' DC Heath, Boston, p. 332</ref>  ||1965 ||As ||Te ||Ge ||<!--Si-->||<!--Sb-->||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||4
|- style="background:#fdfdfd;"
| style="text-align:left;" | Selwood<ref>Selwood PW 1965, ''General chemistry,'' 4th ed., Holt, Rinehart and Winston, New York, inside back cover</ref>  ||1965 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||Bi ||  ||  ||Sn ||  ||  ||  ||[[Gallium|Ga]] ||12
|- style="background:#f7f7f7;"
| style="text-align:left;" | Bassett et al.<ref>Bassett LG, Bunce SC, Carter AE, Clark HM & Hollinger HB 1966, ''Principles of chemistry,'' Prentice-Hall, Englewood Cliffs, NJ, pp. 127, 602</ref>  ||1966 ||<!-- As -->||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||Al ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hultgren<ref>Hultgren HH 1966, 'Metalloids, in GL Clark & GG Hawley (eds), ''The encyclopedia of inorganic chemistry,'' 2nd ed., Reinhold Publishing, New York, pp. 648–649 (648)</ref>  ||1966 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Metcalfe, Williams & Castka<ref>Metcalfe HC, Williams JE & Castka JF 1966, ''Modern chemistry,'' Hollt, Rinehart and Winston, New York, pp. 466–67</ref>  ||1966 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||Al# ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7.5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Rochow<ref>Rochow EG 1966, ''The metalloids,'' DC Heath, Boston, pp. 3, 7–8</ref>  ||1966 ||As ||Te ||Ge ||Si ||Sb ||B ||Po# ||At# ||Se# ||  ||C# ||Bi# ||P# ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Mahan<ref>Mahan BH 1967, ''University chemistry,'' Addison-Wesley, Reading, MA, p. 448</ref>  ||1967 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Paul, King & Farinholt<ref>Paul MA, King EJ & Farinholt LH 1967, ''General chemistry,'' Harcourt, Brace & World, New York, p. 135</ref>  ||1967 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Siebring<ref>Siebring BR 1967, ''Chemistry,'' Macmillan, New York, p. 70</ref>  ||1967 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Cotton & Lynch<ref>Cotton FA & Lynch LD 1968, ''Chemistry: An investigative approach,'' Houghton Mifflin, Boston, p. 226</ref>  ||1968 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||Se ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Dunstan<ref>Dunstan S 1968, ''Principles of chemistry,'' D Van Nostrand, Princeton, NJ, pp. 310, 409</ref>  ||1968 ||As ||Te ||Ge# ||<!--Si-->||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||Al ||  ||Bi ||  ||Be ||Sn ||  ||  ||  ||[[Lead|Pb]] ||7.5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Tyrell & Warren<ref>Tyrell LWM & Warren RK 1968, ''Principles of chemical science: A student's text,'' Edward Arnold (Publishers), n.p., p. 111</ref>  ||1968 ||As ||Te ||Ge# ||Si ||Sb# ||B ||Po# ||At ||Se# ||Al# ||C# ||  ||P# ||  ||  ||  ||  ||I# ||&nbsp; ||9.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Williams, Embree & DeBey<ref>Williams AL, Embree HD & DeBey HJ 1968, ''Introduction to chemistry,'' Addison-Wesley, Reading MA, inside back cover</ref>  ||1968 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Chedd<ref>Chedd G 1969, ''Half-way elements,'' Aldus Books, London, p. 24</ref>  ||1969 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hägg<ref>Hägg G 1969, ''General and inorganic chemistry,'' John Wiley & Sons, New York, p. 92</ref>  ||1969 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||Sn ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Holum<ref>Holum JR 1969, ''Introduction to principles of chemistry,'' John Wiley & Sons, New York, p. 59</ref>  ||1969 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hunter<ref>Hunter D 1969, ''The diseases of occupations,'' Little, Brown, & Co., Boston, p. 232</ref>  ||1969 ||As ||Te ||<!--Ge-->||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Moody<ref>Moody BJ 1969, ''Comparative inorganic chemistry,'' 2nd ed., Edward Arnold, London, pp. 67–68</ref>  ||1969 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||10
|- style="background:#f7f7f7;"
| style="text-align:left;" | Dickerson, Gray & Haight<ref>Dickerson RE, Gray HB & Haight GP 1970, ''Chemical principles,'' WA Benjamin, New York, p. 160</ref>  ||1970 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hardwick & Knobler<ref>Hardwick ER & Knobler CM 1979, ''Chemistry: Man and matter,'' Xerox College, Waltham, MA, inside back cover</ref>  ||1970 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Williams, Embree & DeBay<ref>Williams AL, Embree HD & DeBay HJ 1970, ''General chemistry,'' Addison-Wesley, Reading, MA, p. 55</ref>  ||1970 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||Al ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Dickson<ref>Dickson TR 1971, ''Introduction to chemistry,'' John Wiley & Sons, New York, p. 160</ref>  ||1971 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Emsley<ref>Emsley J 1971, ''The inorganic chemistry of the non-metals,'' Methuen Educational, London, p. 1</ref>  ||1971 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||4
|- style="background:#fdfdfd;"
| style="text-align:left;" | Nitz & Dhonau<ref>Nitz OW & Dhonau CA 1971, ''Chemistry: A brief introduction,'' Willard Grant, Boston, p. 64</ref>  ||1971 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Pimentel & Spratley<ref>Pimentel GC & Spratley RD 1971, ''Understanding chemistry,'' Holden-Day, San Francisco, p. 664</ref>  ||1971 ||As ||Te ||Ge ||Si ||Sb ||B ||Po# ||At# ||Se ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Barrow<ref>Barrow GM 1972, ''General chemistry,'' Wadsworth, Belmont CA, p. 162</ref>  ||1972 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Choppin & Johnsen<ref>Choppin GR & Johnsen RH 1972, ''Introductory chemistry,'' Addison-Wesley, Reading MA, p. 346</ref>  ||1972 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Horvath<ref>Horvath AL 1973, 'Critical temperature of elements and the periodic system' ''Journal of Chemical Education,'' vol 50, no. 5, pp. 335–336 (336)</ref>  ||1973 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Pascoe<ref>Pascoe KJ 1973, ''Properties of materials for electrical engineers,'' John Wiley & Sons, p. 7</ref>  ||1973 ||<!-- As -->||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||At ||Se ||  ||C ||  ||P ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Seager & Stoker<ref>Seager SL & Stoker HS 1973, ''Chemistry: A science for today,'' Scott, Foresman and Company, Glenview, Illinois, p. 58</ref>  ||1973 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||Be ||  ||  ||  ||  ||&nbsp; ||10
|- style="background:#f7f7f7;"
| style="text-align:left;" | Allen & Keefer<ref>Allen TL & Keefer RM 1974, ''Chemistry: Experiment and theory,'' Harper & Row, New York, p. 235</ref>  ||1974 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Andrews<ref>Andrews DH 1974, ''Chemistry: A humanistic view,'' McGraw-Hill, New York, p. 217</ref>  ||1974 ||As ||Te ||<!--Ge-->||Si ||<!--Sb-->||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Day & Johnson<ref>Day RA & Johnson RC 1974, ''General chemistry,'' Prentice-Hall, Englewood Cliffs, NJ, p. 145</ref>  ||1974 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Dickson<ref>Dickson TR 1974, ''Understanding chemistry: From atoms to attitude,'' John Wiley & Sons, New York, p. 32</ref>  ||1974 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Duffy<ref>Duffy JA 1974, ''General inorganic chemistry,'' 2nd ed., Longman, London, p. 53</ref>  ||1974 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Fuller<ref>Fuller EC 1974, ''Chemistry and man's environment,'' Houghton Mifflin, Boston, p. 186</ref>  ||1974 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||Se ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Nordmann<ref>Nordmann J 1974, ''What is chemistry: a chemical view of nature,'' Harper & Row, New York, p. 152</ref>  ||1974 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||Po ||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | O'Connor<ref>O'Connor RF 1974, ''Chemical principles and their biological implications,'' Hamilton Publishing, Santa Barbara, CA, p. 84</ref>  ||1974 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Rock & Gerhold<ref>Rock PA & Gerhold GA 1974, ''Chemistry: Principles and applications,'' WB Saunders, Philadelphia, p. 535</ref>  ||1974 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Pauling & Pauling<ref>Pauling L & Pauling P 1975, ''Chemistry,'' WH Freeman, San Francisco, p. 114</ref>  ||1975 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hearst & Ifft<ref>Hearst JE & Ifft JB 1976, ''Contemporary chemistry,'' WH Freeman, San Francisco, p. 104</ref>  ||1976 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Tyler Miller<ref>Tyler Miller G 1976, ''Chemistry: A contemporary approach,'' Wadsworth, Belmont CA, p. 44</ref>  ||1976 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||[[Hydrogen|H]] ||10
|- style="background:#f7f7f7;"
| style="text-align:left;" | Waser, Trueblood & Knobler<ref>Waser J, Trueblood KN & Knobler CM 1976, ''Chem one,'' McGraw-Hill, New York, p. 245</ref>  ||1976 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Bloomfield<ref>Bloomfield MM 1977, ''Chemistry and the living organism,'' John Wiley & Sons, New York, p. 126</ref>  ||1977 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Ucko<ref>Ucko DA 1977, ''Living chemistry,'' Academic Press, New York, p. 32</ref>  ||1977 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hill & Holman<ref>Hill GC & Holman JS 1978, ''Chemistry in context,'' Thomas Nelson & Sons, Sunbury-on-Thames, Middlesex, p. 27</ref>  ||1978 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||C# ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Coxon, Fergusson & Phillips<ref>Coxon JM, Fergusson JE & Phillips LF 1980, ''First year chemistry,'' Edward Arnold, London, p. 21</ref>  ||1980 ||As ||Te ||Ge ||Si ||Sb# ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||Be# ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Warrena & Geballe<ref>Warrena JL & Geballe TH 1981, 'Research opportunities in new energy-related materials', ''Materials Science and Engineering,'' vol. 50, no.2, Oct, pp. 149–198, p. 161?</ref>  ||1981 ||As ||Te ||<!--Ge-->||Si ||<!--Sb-->||B ||<!--Po-->||At ||Se ||  ||C ||  ||P ||  ||  ||S ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Walters<ref>Walters D 1982, ''Chemistry,'' Franklin Watts Science World series, Franklin Watts, London, p. 33</ref>  ||1982 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Edwards & Sienko<ref>Edwards PP & Sienko MJ, 'On the occurrence of metallic character in the periodic table of the elements', ''Journal of Chemical Education,'' vol. 60, no. 9, pp. 691–696 (692)</ref>  ||1983 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||Po ||At# ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Holtzclaw, Robinson & Nebergall<ref>Holtzclaw HF, Robinson WR & Nebergall WH 1984, ''General chemistry,'' 7th ed., DC Heath, Lexington, p. 193</ref>  ||1984 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Boikess & Edelson<ref>Boikess RS & Edelson E 1985, ''Chemical principles,'' 3rd ed., Harper & Row, New York, p. 35</ref>  ||1985 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Peters<ref>Peters EI 1986, ''Introduction to chemical principles,'' 4th ed., Saunders College, Philadelphia, p. 105</ref>  ||1986 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hibbert & James<ref>Hibbert DB & James AM 1987, ''Macmillan dictionary of chemistry,'' Macmillan, London, p. 300</ref>  ||1987 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||  ||  ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Jones et al.<ref>Jones MM, Johnston DO, Netterville JT, Wood JL & Joeston MD 1987, ''Chemistry & society,'' 5th ed., Saunders College, Philadelphia, p. 84</ref>  ||1987 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | McQuarrie & Rock<ref>McQuarrie DA & Rock PA 1987, ''General chemistry,'' 3rd ed., WH Freeman, San Francisco, p. 84</ref>  ||1987 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Wulfsberg<ref>Wulfsberg G 1987, ''Principles of descriptive inorganic chemistry,'' Brooks/Cole, Monterey, CA, p. 201</ref>  ||1987 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Thayer<ref>Thayer JS 1988, ''Organometallic chemistry: An overview,'' VCH, New York, p. 3</ref>  ||1988 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||P ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Whitten, Gailey & Davis<ref>Whitten KW, Gailey KD & Davis RE 1988, ''General chemistry with qualitative analysis,'' Saunders College, Philadelphia, p. 139</ref>  ||1988 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Bailar et al.<ref>Bailar JC, Moeller T, Kleinberg J, Guss CO, Catellion ME & Metz C 1989 ''Chemistry,'' 3rd ed., Harcourt Brace Jovanovich, San Diego, p. 742</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Gill<ref>Gill R 1989, ''Chemical fundamentals of geology,'' Unwin Hyman, London, p. 292</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Malone<ref>Malone LJ 1989, ''Basic concepts of chemistry,'' John Wiley and Sons, New York, p. 135</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Petrucci<ref>Petrucci RK 1989, ''General chemistry: Principles and modern applications,'' 5th ed., Macmillan, New York, p. 284</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Puddephatt & Monaghan<ref>Puddephatt RJ & Monaghan PK 1989, ''The periodic table of the elements,'' Clarendon Press, Oxford, p.40</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Scott<ref>Scott A 1989, ''Molecular machinery: The principles and powers of chemistry,'' Basil Blackwell, Oxford, p. 18</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Segal<ref>Segal BG 1989, ''Chemistry: experiment and theory,'' 2nd ed., Wiley, New York, p. 965</ref>  ||1989 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Oxtoby, Nachtrieb & Freeman<ref>Oxtoby DW, Nachtrieb NH & Freeman WA 1990, ''Chemistry: Science of change,'' Saunders College, Philadelphia, inside front cover</ref>  ||1990 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Atkins & Beran<ref>Atkins PW & Beran JA 1990, ''General chemistry,'' 2nd ed., Scientific American Books, New York, p. 44</ref>  ||1990 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Ebbing & Wrighton<ref>Ebbing DD & Wrighton MS 1993, ''General chemistry,'' 4th ed., Houghton Mifflin, Boston, p. 58</ref>  ||1993 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Zumdahl<ref>Zumdahl SS 1993, ''Chemistry,'' 3rd ed., Lexington MA, p. 327</ref>  ||1993 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Birk<ref>Birk JP 1994, ''Chemistry,'' Houghton Mifflin, Boston, inside cover</ref>  ||1994 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Smith<ref>Smith R 1994, ''Conquering chemistry,'' 2nd ed., McGraw-Hill, New York, p. 25</ref>  ||1994 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | AAE<ref>''Academic American Encyclopedia'' 1996, vol. 13, 'metalloids', Grolier, Danbury, CT, p. 328</ref>  ||1996 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Brady & Holum<ref>Brady JE & Holum JR 1996, ''Chemistry: The study of matter and its changes,'' John Wiley & Sons, New York, p. 59</ref>  ||1996 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Harrison & de Mora<ref>Harrison RM & de Mora SJ 1996, ''Introductory chemistry for the environmental sciences,'' 2nd ed., Cambridge University, Cambridge, p. 150</ref>  ||1996 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hook & Post<ref>Hook CC & Post R 1996, ''Chemistry: Concepts and problems,'' 2nd ed., John Wiley & Sons, New York, p. 297</ref>  ||1996 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Atkins & Jones<ref>Atkins P & Jones L 1997, ''Chemistry: Molecules, matter and change,'' 3rd ed., WH Freeman, New York, p. 15</ref>  ||1997 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Dayah<ref>Dayah M 1997, [http://www.ptable.com ''Dynamic Periodic Table'']'','' viewed 14 July 2011</ref>  ||1997 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Mingos<ref>Mingos DMP 1998, ''Essential trends in inorganic chemistry,'' Oxford University, Oxford, p. 202</ref>  ||1998 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Joesten & Wood<ref>Joesten MD & Wood JL 1999, ''World of chemistry: Essentials,'' 2nd ed., Saunders College/Harcourt Brace, Forth Worth, p. 57</ref>  ||1999 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Kremer<ref>Kremer P 1999, [http://www.chemglobe.org/ptoe ''ChemGlobe – Periodic table of the elements'']'','' viewed 14 July 2011</ref>  ||1999 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Thompson<ref>Thompson R, 1999, 'Re: What is the metalloid line and where is it located on the Periodic Table?', ''MadSci Network''</ref>  ||1999 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Umland & Bellama<ref>Umland JB & Bellama JM 1999, ''General chemistry,'' 3rd ed., Brooks/Cole, Pacific Grove, inside front cover</ref>  ||1999 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Callister<ref>Callister WD 2000, ''Materials science and engineering: An introduction,'' John Wiley & Sons, New York, p. 17</ref>  ||2000 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||Se ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Enloe<ref>Enloe CL 2000, ''Physical science: What the technology professional needs to know,'' John Wiley and Sons, New York, p. 93</ref>  ||2000 ||As ||Te ||<!--Ge-->||Si ||<!--Sb-->||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Mann, Meek & Allen<ref>Mann JB, Meek TL and Allen LC 2000, 'Configuration energies of the main group elements', ''Journal of the American Chemical Society,'' vol. 122, pp. 2780–2783</ref>  ||2000 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Phillips, Stozak & Wistrom<ref>Phillips JS, Stozak VS & Wistrom C 2000, ''Chemistry: Concepts and applications,'' Glencoe/McGraw Hill, Columbus OH, p. 93</ref>  ||2000 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Ryan<ref>Ryan L 2000, ''Advanced chemistry for you,'' Nelson Thornes, Cheltenham, p. 92</ref>  ||2000 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hawkes<ref>Hawkes SJ 2001, 'Semimetallicity', ''Journal of Chemical Education,'' vol. 78, no. 12, pp. 1686–1686</ref>  ||2001 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Lewis & Evans<ref>Lewis R & Evans W 2001, ''Chemistry,'' 2nd ed., Plagrave, Basingstoke, Hampshire, p. 212</ref>  ||2001 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Masterton & Hurley<ref>Masterton WL & Hurley N 2001, ''Chemistry: Principles and reactions,'' 4th ed., Harcourt College, Fort Worth, inside front cover</ref>  ||2001 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Barrett<ref>Barrett J 2002, ''Atomic structure and periodicity,'' Wiley-Interscience, Hoboken, NJ, p. 105</ref>  ||2002 ||As# ||Te# ||Ge# ||Si# ||Sb# ||B# ||<!--Po-->||<!--At-->||Se# ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||3.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Chang<ref>Chang R 2002, ''Chemistry,'' 7th ed., McGraw-Hill, New York, p. 46</ref>  ||2002 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||Lv ||  ||[[Ununseptium|Uus]] ||10
|- style="background:#fdfdfd;"
| style="text-align:left;" | Harding, Johnson & Janes<ref>Harding C, Johnson DA & Janes R 2002, ''Elements of the p block,'' Royal Society of Chemistry, Cambridge, p. 210</ref>  ||2002 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Johnson<ref>Johnson DA 2002, ''Metals and chemical change,'' Royal Society of Chemistry, Cambridge, p. 22</ref>  ||2002 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Rodgers<ref>Rodgers GE 2002, ''Descriptive inorganic, coordination, and solid-state chemistry,'' 2nd ed., Brooks/Cole Thomson, Australia, p. 235</ref>  ||2002 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Szefer<ref>Szefer P 2002, ''Metals, metalloids and radionuclides in the Baltic Sea ecosystem,'' Elsevier, Amsterdam, p. 14</ref>  ||2002 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Woodgate<ref>Woodgate S 2002, [http://bestchoice.net.nz/html/sa1/main/s71/p2542.htm ''GEN periodic table: Metals, metalloids, nonmetals'']'','' The University of Auckland</ref>  ||2002 ||As ||Te ||Ge ||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Wright & Welbourn<ref>Wright DA & Welbourn P 2002, ''Environmental toxicology,'' Cambridge University, Cambridge, p. 254</ref>  ||2002 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#fdfdfd;"
| style="text-align:left;" | e-encyclopedia<ref>''e-encyclopedia'' 2003, Dorling Kindersley, London, p. 161</ref>  ||2003 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Gupta<ref>Gupta CK 2003, ''Chemical metallurgy: principles and practice,'' Wiley-VCH, Weinheim, p. 4</ref>  ||2003 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hunt<ref>Hunt A 2003, ''Schaum's A-Z: Chemistry,'' McGraw-Hill, New York, p. 231</ref>  ||2003 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Myers<ref>Myers R 2003, ''The basics of chemistry,'' Greenwood, Westport CT, p. 68</ref>  ||2003 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Williams<ref>Williams LD 2003, ''Chemistry demystified,'' McGraw-Hill, New York, p. 151</ref>  ||2003 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Atkins<ref>Atkins P 2004, ''Galileo's finger: the ten great ideas of science,'' Oxford University Press, Oxford, p. 159</ref>  ||2004 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Cox<ref>Cox PA 2004, ''Inorganic chemistry,'' 2nd ed., Bios Scientific, London, p. 27</ref>  ||2004 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Gilbert, Kirss & Davies<ref>Gilbert TR, Kirss RV & Davies G 2004, ''Chemistry: The science in context,'' WW Norton, New York, inside front cover</ref>  ||2004 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Reilly<ref>Reilly C 2004, ''The nutritional trace metals,'' Blackwell, Oxford, p. 5</ref>  ||2004 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Ebbing & Gammon<ref>Ebbing DD & Gammon 2005, ''General chemistry,'' 8th ed., Houghton Mifflin, Boston, p. 58</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Fry & Page<ref>Fry M & Page E 2005, ''Catchup chemistry: For the life and medical sciences,'' Scion, Bloxham, Oxfordshire, p. 14</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Halliday, Resnick & Walker<ref>Halliday D, Resnick R & Walker J 2005, ''Fundamentals of physics,'' 7th ed., John Wiley & Sons, New York, p. A-15</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Holler & Selegue<ref>Holler FJ & Selegue JP 2005, [http://www.uky.edu/Projects/Chemcomics/index.html ''The periodic table of comic books'']'','' viewed 14 Jul 2011</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At# ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Kotz, Treichel & Weaver<ref>Kotz JC, Treichel P & Weaver GC 2005, ''Chemistry & chemical reactivity,'' 6th ed., Brooks Cole, Belmont, CA, p. 80</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Meyer<ref>Meyer JS (ed.) 2005, ''Toxicity of dietborne metals to aquatic organisms,'' Allen Press/ACG, place p. 282</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Orchin<ref>Orchin M 2005, ''The vocabulary and concepts of organic chemistry,'' John Wiley and Sons, New York, p. 20</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Swenson<ref>Swenson J 2005, 'Classification of noble gases' in [http://www.newton.dep.anl.gov/askasci/chem03/chem03687.htm ''Ask a scientist, Chemistry archive'']</ref>  ||2005 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||Se ||  ||C ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||11
|- style="background:#f7f7f7;"
| style="text-align:left;" | Baird<ref>Baird C 2006, ''Chemistry in your life,'' 2nd ed., WH Freeman, New York, p. 81</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Blei & Odian<ref>Blei I & Odian G 2006, ''General, organic and biochemistry: Connecting chemistry to your life,'' WH Freeman, New York, inside cover</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||Lv ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Brown & Holme<ref>Brown L & Holme T 2006, ''Chemistry for engineering students,'' Thomson Brooks/Cole, Belmont, CA, p. 58</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Dashek & Harrison<ref>Dashek WV & Harrison M 2006, ''Plant cell biology,'' Science Publishers, Enfield, NH, p. 20</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Finch et al.<ref>Finch J, Sinha R, Singh D & Saika A (eds) 2006, ''Encyclopedia of science,'' 3rd ed., Dorling Kindersley, London, p. 32</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Goldfrank & Flomenbaum<ref>Goldfrank LR & Flomenbaum N 2006, ''Goldfrank's toxicologic emergencies,'' McGraw-Hill, New York, p. 187</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Hatt<ref>Hatt C 2006, ''Scientists and their discoveries,'' Evans Brothers, London, p. 21</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hérold<ref>Hérold A 2006, 'An arrangement of the chemical elements in several classes inside the periodic table according to their common properties', ''Comptes Rendus Chimie,'' vol. 9, pp. 148–153</ref>  ||2006 ||As ||<!--Te-->||Ge ||Si ||<!--Sb-->||B ||Po ||At# ||Se ||  ||C ||Bi ||P ||  ||  ||  ||  ||  ||&nbsp; ||9.5
|- style="background:#f7f7f7;"
| style="text-align:left;" | McMonagle<ref>McMonagle D 2006, ''Chemistry: an illustrated guide to science,'' Infobase Publishing, New York, p. 26</ref>  ||2006 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||Lv ||  ||[[Flerovium|Fl]]<br>[[Ununpentium|Uup]] ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Rayner-Canham & Overton<ref>Rayner-Canham G & Overton T 2006, ''Descriptive inorganic chemistry,'' 4th ed., WH Freeman, New York, p. 29</ref>  ||2006 ||As ||Te ||Ge ||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||5
|- style="background:#f7f7f7;"
| style="text-align:left;" | Silberberg<ref>Silberberg MS 2006, ''Chemistry: The molecular nature of matter and change,'' 4th ed., McGraw-Hill, New York, p. 55</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Slade<ref>Slade S 2006, ''Elements and the periodic table,'' The Rosen Publishing Group, New York, p. 16</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Wertheim, Oxlade & Stockley<ref>Wertheim J, Oxlade C & Stockley C 2006, ''The Usborn illustrated dictionary of chemistry,'' Usborne, London, p. 51</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Whitley<ref>Whitley K 2006, [http://www.chemprofessor.com/outline4b.htm ''Periodic table: Metals, non-metals, and semi-metals'']'','' Chem Professor: Course outline, General chemistry, viewed 14 July 2011</ref>  ||2006 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | American Chemical Society<ref>American Chemical Society, [http://acswebcontent.acs.org/games/pt.html ''Interactive periodic table'']'','' viewed 14 July 2011</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Astruc<ref>Astruc D 2007, ''Organometallic chemistry and catalysis,'' Springer, Berlin. p. 312</ref>  ||2007 ||As ||<!--Te-->||<!--Ge-->||Si ||<!--Sb-->||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||P ||  ||  ||S ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Casper<ref>Casper JK 2007, ''Minerals: Gifts from the earth,'' Infobase, New York, p. 9</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Crystal<ref>Crystal D (ed.) 2007, 'metalloid', in ''The Penguin Concise Encyclopedia,'' 3rd ed., Penguin Books, London, p. 599</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | DeGraff<ref>DeGraff J 2007, ''Understanding and responding to hazardous substances at mine sites in the western United States,'' Geological Society of America, Boulder, Colordado, p. 26</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Joesten, Hogg & Castellion<ref>Joesten MD, Hogg JL & Castellion ME 2007, ''The world of chemistry: essentials,'' Thommson Higher Education, Belmont, CA, p. 58</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Lewis<ref>Lewis RJ 2007, ''Hawley's condensed chemical dictionary,'' 15th ed., Wiley-Interscience, New York p. 905</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||Se ||  ||C ||  ||P ||  ||  ||S ||  ||  ||&nbsp; ||11
|- style="background:#fdfdfd;"
| style="text-align:left;" | Petty<ref>Petty MC 2007, ''Molecular electronics: From principles to practice,'' vol. 22 of Wiley series in materials for electronic and optoelectronic applications, John Wiley and Sons, New York, p. 25</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||Se ||  ||C ||Bi ||P ||  ||Sn ||  ||  ||  ||&nbsp; ||13
|- style="background:#f7f7f7;"
| style="text-align:left;" | Rösler, Harders & Bäker<ref>Rösler J, Harders H & Bäker M 2007, ''Mechanical behaviour of engineering materials: metals, ceramics, polymers and composites,'' Springer, Berlin, p. 6</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||Sn# ||  ||  ||  ||&nbsp; ||6.5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Saunders<ref>Saunders N 2007, ''Exploring atoms and molecules,'' The Rosen Publishing Group, New York, p. 9</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Saunders<ref>Saunders N 2007, ''Exploring chemical reactions,'' The Rosen Publishing Group, New York, p. 9</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Shipman, Wilson & Tood<ref>Shipman J, Wilson JD & Tood A 2007, ''An introduction to physical science,'' Houghton Mifflin, Boston, p. 297</ref>  ||2007 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Bauer, Birk & Sawyer<ref>Bauer RC, Birk JP & Sawyer DJ 2008, ''Laboratory inquiry in chemistry,'' 3rd ed., Brooks/Cole, Belmont, inside back cover</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Clugston & Flemming<ref>Clugston M & Flemming R 2008, ''Advanced chemistry,'' Oxford University Press, Oxford, p. 19</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Encyclopedia Columbia<ref>''Encyclopedia Columbia'' 2008, [http://www.encyclopedia.com/doc/1E1-nonmetal.html 'nonmetal'], 6th ed., viewed 14 July 2011</ref>  ||2008 ||As ||Te ||<!--Ge-->||<!--Si-->||Sb ||<!--B-->||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||4
|- style="background:#fdfdfd;"
| style="text-align:left;" | Ham<ref>Ham B 2008, ''The periodic table,'' Infobase, New York, p. 66</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Kelter, Mosher & Scott<ref>Kelter P, Mosher M & Scott A 2008, ''Chemistry: The practical science,'' Media enhanced edition, Houghton Mifflin, Boston, p. 261</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Masterton & Hurley<ref>Masterton Wl & Hurley CN 2008, ''Chemistry: Principles and reactions,'' Brooks/Cole Cengage Learning, Belmont, CA, p. 31</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Merck<ref>Merck 2008, [http://pse.merck.de/merck.php?lang=EN ''Periodic table of the elements'']'','' viewed 14 July 2011</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Nicolaou & Montagnon<ref>Nicolaou KC & Montagnon T 2008, ''Molecules that changed the world: a brief history of the art and science of synthesis and its impact on society,'' Wiley-VCH, Weinheim, p. 4</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Řezanka & Sigler<ref>Řezanka T & Sigler K 2008, 'Biologically active compounds of semi-metals', in Atta-ur-Rahman (ed.),'' Studies in natural products chemistry,'' vol. 35, Elsevier, Amsterdam, pp. 835–922 (836)</ref>  ||2008 ||As ||Te ||<!--Ge-->||Si ||<!--Sb-->||B ||<!--Po-->||At ||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Tro & Neu<ref>Tro NJ & Neu D 2008, ''Chemistry in focus: A molecular view of our world,'' Brooks/Cole, Belmont, CA, p. 75</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Vallero<ref>Vallero DA 2008, ''Fundamentals of air pollution,'' Academic Press/Elsevier, Burlington MA, p. 200</ref>  ||2008 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Brown et al.<ref>Brown TL, Le May, HE, Bursten BE, Murphy & Woodward 2009, ''Chemistry: The central science,'' 11th ed., Pearson Education, Upper Saddle River, NJ, p. 49</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Burrows et al.<ref>Burrows A, Holman J, Parsons A, Pilling G & Price G 2009, ''Chemistry3: Introducing inorganic, organic and physical chemistry,'' Oxford University, Oxford, p. 1192</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Castor-Perry<ref>Castor-Perry S 2009, 'This week in science history – Mendeleev's periodic table', in [http://www.thenakedscientists.com/HTML/content/interviews/interview/1074/ ''Science Interviews'']'','' The Naked Scientists: Science Radio & Science Podcasts, viewed 14 July 2011</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||I ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Cracolice & Peters<ref>Cracolice MS & Peters EI 2009, ''Introductory chemistry: An active learning approach,'' Brooks/Cole, Belmont, CA, p. 336</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Economou<ref>Economou EN 2009, ''The physics of solids: Essentials and beyond,'' Springer, Heidelberg, p. 59</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||Al ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#f7f7f7;"
| style="text-align:left;" | Habashi<ref>Habashi F 2009, 'Metals: Typical and less typical, transition and inner transition,' ''Foundations of Chemistry,'' vol. 12, no. 1, pp. 31–39</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||Se ||  ||  ||Bi ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Hein & Arena<ref>Hein M & Arena S 2009, ''Foundations of college chemistry,'' John Wiley and Sons, alternate 13th ed., New York, p. 49</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Leach<ref>Leach M 2009, 'Periodic table chemical of substances under standard conditions', [http://www.meta-synthesis.com/webbook/35_pt/pt3.html ''The chemogenesis webook'']'','' viewed 14 July 2011</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Manning<ref>Manning P 2009, ''Chemical bonds,'' Infobase, New York, p. 105</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | McMurray & Fay<ref>McMurray J & Fay RC 2009, ''General chemistry: Atoms first,'' Prentice Hall, Upper Saddle River, NJ, p. 767</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Reger, Goode & Ball<ref>Reger DL, Goode SR & Ball DW 2009, ''Chemistry: Principles & practice,'' Brooks/Cole, Belmont, CA, p. 56</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Schnepp<ref>Schnepp R 2009, ''Hazardous materials: Awareness and operations,'' Jones & Bartlett Learning, Sudbury, MA, p. 30</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#fdfdfd;"
| style="text-align:left;" | Shubert & Leyba<ref>Shubert D & Leyba J 2009, ''Chemistry and physics for nurse anesthesia: A student centred approach,'' Springer, NY, p. 41</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Whitten et al.<ref>Whitten KW, Davis RE, Peck ML, Stanley GG 2009, ''Chemistry,'' 9th ed. Revised, Brooks/Cole, Belmont, CA, p. 134</ref>  ||2009 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Aldinger & Weberruss<ref>Aldinger F & Weberruss VA 2010, ''Advanced ceramics and future materials: An introduction to structures, properties, technologies, methods,'' Wiley-VCH, Weinheim, p. 49</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Banks et al.<ref>Banks AJ, Bollom MS, Holmes JL, Jacobsen JJ, Kotz JC & Moore JW 2010, [http://www.chemeddl.org/resources/ptl/ ''Periodic table live!'']'','' Division of Chemical Education, viewed 14 July 2011</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#fdfdfd;"
| style="text-align:left;" | Fayer<ref>Fayer MD 2010, ''Absolutely small: How quantum theory explains our everyday world,'' American Management Association, New York, p. 161</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | Gray<ref>Gray T 2010, [http://theodoregray.com/periodictable/Elements/Metalloids/index.s7.html ''Metalloids (7)'']'','' viewed 14 July 2011</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Groysman<ref>Groysman A 2009, ''Corrosion for everybody,'' Springer, Dordrecht, p. 4</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||<!--B-->||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6
|- style="background:#f7f7f7;"
| style="text-align:left;" | Halka & Nordstrom<ref>Halka M & Nordstrom B 2010, ''Nonmetals,'' Infobase, New York, p. xiv</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Lombi E & Holm PE<ref>Lombi E & Holm PE 2010, 'Metalloids, soil chemistry and the environment', in TP Jahn (ed.), ''MIPS and their role in the exchange of metalloids,'' Landes Bioscience, Austin< TX, 33–46(33)</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||8
|- style="background:#f7f7f7;"
| style="text-align:left;" | NEST Association<ref>National Earth Science Teachers Association 2010, 'Metals, nonmetals, & metalloids', [http://www.windows2universe.org/earth/geology/metals.html ''Windows to the universe'']'','' viewed 14 July 2011</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | RCCS<ref>Research Centre for Computational Science 2010, [http://ccinfo.ims.ac.jp/periodic/ ''The periodic table of the elements'']'','' Okazaki Research Facilities, National Institutes of Natural Sciences, Aichi, Japan, viewed 14 July 2011</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||At ||Se ||  ||C ||Bi ||P ||  ||Sn ||  ||  ||  ||&nbsp; ||13
|- style="background:#f7f7f7;"
| style="text-align:left;" | Senese<ref>Senese FA 2010, [http://antoine.frostburg.edu/chem/senese/101/matter/slides/sld013.htm ''Metals, nonmetals and metalloids'']'','' viewed 14 July 2011</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B# ||Po ||At ||Se# ||  ||C ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||9
|- style="background:#fdfdfd;"
| style="text-align:left;" | Weiner<ref>Weiner ER 2010, ''Applications of environmental aquatic chemistry: A practical guide,'' 2nd ed., CRC Press, Boca Raton, Florida, p.&nbsp;109</ref>  ||2010 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Barbalace<ref>Barbalace KL 2011, [http://environmentalchemistry.com/yogi/periodic/ ''Periodic table of elements'']'','' viewed 14 July 2011</ref>  ||2011 ||As ||Te ||Ge ||Si ||Sb ||B ||Po ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#fdfdfd;"
| style="text-align:left;" | Encyclopædia Britannica Online<ref>{{cite web|work=[[Encyclopædia Britannica Online]] |year=2011 |url=http://www.britannica.com/EBchecked/topic/377645/metalloid|title=Metalloid |accessdate=14 July 2011}}</ref>  ||2011 ||As ||Te ||Ge ||Si ||Sb ||B ||Po# ||At# ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | Helmenstine<ref>Helmenstine AM 2011, [http://chemistry.about.com/od/elementgroups/a/metalloids.htm ''Metalloids or semimetals: Properties of element groups'']'','' viewed 14 July 2011</ref>  ||2011 ||As ||Te ||Ge ||Si ||Sb ||B ||Po# ||<!--At-->||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||6.5
|- style="background:#fdfdfd;"
| style="text-align:left;" | Moore<ref>Moore JT 2011, [http://www.dummies.com/how-to/content/the-periodic-table-metals-nonmetals-and-metalloids.html ''The periodic table: metals, nonmetals, and metalloids'']'','' dummies.com, viewed 14 July 2011</ref>  ||2011 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||At ||<!--Se-->||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7
|- style="background:#f7f7f7;"
| style="text-align:left;" | QA International<ref>QA International 2011, [http://visual.merriam-webster.com/science/chemistry/chemical-elements/semi-metals-%28metalloids%29.php ''Merriam-Webster Visual dictionary online'']'','' viewed 14 July 2011</ref>  ||2011 ||As ||Te ||Ge ||Si ||Sb ||B ||<!--Po-->||<!--At-->||Se ||  ||  ||  ||  ||  ||  ||  ||  ||  ||&nbsp; ||7

|- class="sortbottom" style="font-size:85%; vertical-align:top; text-align:left; line-height:115%;"
! colspan=2 style="font-size:120%; text-align:left;" | Element&nbsp;→
!style="background:{{element color|metalloid citeclass 1of4}}"|Arsenic
!style="background:{{element color|metalloid citeclass 1of4}}"|Tellu{{shy}}rium
!style="background:{{element color|metalloid citeclass 1of4}}"|Germa{{shy}}nium
!style="background:{{element color|metalloid citeclass 1of4}}"|Silicon
!style="background:{{element color|metalloid citeclass 1of4}}"|Anti{{shy}}mony
!style="background:{{element color|metalloid citeclass 1of4}}"|Boron
!style="background:{{element color|metalloid citeclass 2of4}}"|Polo{{shy}}nium
!style="background:{{element color|metalloid citeclass 2of4}}"|Asta{{shy}}tine
!style="background:{{element color|metalloid citeclass 3of4}}"|Sele{{shy}}nium
!style="background:{{element color|metalloid citeclass 4of4}}"|Alu{{shy}}minium
!style="background:{{element color|metalloid citeclass 4of4}}"|Carbon
!Bis{{shy}}muth
!Phos{{shy}}phorus
!Beryl{{shy}}lium
!Tin
!Sulfur
!Liver{{shy}}morium
!Iodine
!Other
!style="background:{{element color|table header}};" |
|}
* <nowiki>#</nowiki> (hashmark) next to an element: its inclusion as a metalloid, in that particular list, is qualified in some way by the author(s). It is counted as 0.5&nbsp;citation.<noinclude>
{{template reference list}}
{{Periodic table (list of metalloid lists)/doc}}
</noinclude>