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మూస:హాసియం మూలకము

వికీపీడియా నుండి
Hassium, 00Hs
Hassium
Pronunciation/ˈhæsiəm/[1] (HASS-ee-əm)
Appearancesilvery (predicted)[2]
Mass number[269]
Hassium in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
Os

Hs

(Uhn)
bohriumhassiummeitnerium
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 7
Block  d-block
Electron configuration[Rn] 5f14 6d6 7s2[3] (predicted)[4]
Electrons per shell2, 8, 18, 32, 32, 14, 2 (predicted)
Physical properties
Phase at STPsolid (predicted)[5]
Density (near r.t.)40.7 g/cm3 (predicted)[4][6]
Atomic properties
Oxidation states(+2), (+3), (+4), (+6), +8[7][8][9] (parenthesized: prediction)
Ionization energies
  • 1st: 733.3 kJ/mol
  • 2nd: 1756.0 kJ/mol
  • 3rd: 2827.0 kJ/mol
  • (more) (all estimated)[4]
Atomic radiusempirical: 126 pm (estimated)[4]
Covalent radius134 pm (estimated)[10]
Other properties
Natural occurrencesynthetic
Crystal structurehexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for hassium

(predicted)[5]
CAS Number54037-57-9
History
Namingafter Hassia, Latin for Hesse, Germany, where it was discovered[2]
DiscoveryGesellschaft für Schwerionenforschung (1984)
Isotopes of hassium
Template:infobox hassium isotopes does not exist
 Category: Hassium
| references

References

  1. Hassium. The Periodic Table of Videos. University of Nottingham. January 28, 2011. Retrieved October 19, 2012.
  2. 2.0 2.1 2.2 Emsley, John (2011). Nature's Building Blocks: An A-Z Guide to the Elements (New ed.). New York, NY: Oxford University Press. p. 215–7. ISBN 978-0-19-960563-7.
  3. Hoffman, Lee & Pershina 2006, p. 1672.
  4. 4.0 4.1 4.2 4.3 4.4 Haire, Richard G. (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.{{cite book}}: CS1 maint: ref duplicates default (link)
  5. 5.0 5.1 Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
  6. 6.0 6.1 Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.
  7. Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. p. 1691. ISBN 978-1-4020-3555-5.
  8. Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Retrieved 4 October 2013.
  9. 9.0 9.1 Düllmann, C. E. (2008). Investigation of group 8 metallocenes @ TASCA (PDF). 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Archived from the original (PDF) on 30 April 2014. Retrieved 28 August 2020. ఉల్లేఖన లోపం: చెల్లని <ref> ట్యాగు; "hassocene" అనే పేరును విభిన్న కంటెంటుతో అనేక సార్లు నిర్వచించారు
  10. Robertson, Murray (2011). "Chemical Data: Hassium". Visual Elements Periodic Table. Royal Society of Chemistry. Retrieved 28 November 2012.
  11. "Hassium". The Periodic Table of Videos. The University of Nottingham. Retrieved 2012-10-19.
  12. Oganessian, Yu. Ts.; Utyonkov, V. K.; Lobanov, Yu. V.; Abdullin, F. Sh.; Polyakov, A. N.; Shirokovsky, I. V.; Tsyganov, Yu. S.; Gulbekian, G. G.; et al. (2000). "Synthesis of superheavy nuclei in 48Ca+244Pu interactions" (PDF). Physics of Atomic Nuclei. 63 (10): 1679–1687. Bibcode:2000PAN....63.1679O. doi:10.1134/1.1320137.