మూస:Infobox ytterbium

వికీపీడియా నుండి
Jump to navigation Jump to search
యిటెర్బియం, 00Yb
యిటెర్బియం
Pronunciation/ɪˈtɜːrbiəm/ (ih-TUR-bee-əm)
Appearancesilvery white
Standard atomic weight Ar°(Yb)
యిటెర్బియం 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
-

Yb

No
థులియంయిటెర్బియంలుటీషియం
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 6
Block  f-block
Electron configuration[Xe] 4f14 6s2
Electrons per shell2, 8, 18, 32, 8, 2
Physical properties
Phase at STPsolid
Melting point1097 K ​(824 °C, ​1515 °F)
Boiling point1469 K ​(1196 °C, ​2185 °F)
Density (near r.t.)6.90 g/cm3
when liquid (at m.p.)6.21 g/cm3
Heat of fusion7.66 kJ/mol
Heat of vaporization159 kJ/mol
Molar heat capacity26.74 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 736 813 910 1047 (1266) (1465)
Atomic properties
Oxidation states0,[3] +1,[4] +2, +3 (a basic oxide)
ElectronegativityPauling scale: ? 1.1
Atomic radiusempirical: 176 pm
Covalent radius187±8 pm
Color lines in a spectral range
Spectral lines of యిటెర్బియం
Other properties
Natural occurrenceprimordial
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for యిటెర్బియం
Speed of sound thin rod1590 m/s (at 20 °C)
Thermal expansion(r.t.) (β, poly) 26.3 µm/(m⋅K)
Thermal conductivity38.5 W/(m⋅K)
Electrical resistivity(r.t.) (β, poly) 0.250 µ Ω⋅m
Magnetic orderingparamagnetic
Young's modulus(β form) 23.9 GPa
Shear modulus(β form) 9.9 GPa
Bulk modulus(β form) 30.5 GPa
Poisson ratio(β form) 0.207
Vickers hardness206 MPa
Brinell hardness343 MPa
CAS Number7440-64-4
History
DiscoveryJean Charles Galissard de Marignac (1878)
First isolationGeorges Urbain (1907)
Isotopes of యిటెర్బియం
Template:infobox యిటెర్బియం isotopes does not exist
 Category: యిటెర్బియం
| references

References

  1. "Standard Atomic Weights: Ytterbium". CIAAW. 2015.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (in ఇంగ్లీష్). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev. 22: 17–24. doi:10.1039/CS9932200017. and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke (2003-12-15). "Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation". Journal of Organometallic Chemistry. 688 (1–2): 49–55. doi:10.1016/j.jorganchem.2003.08.028.
  4. La(I), Pr(I), Tb(I), Tm(I), and Yb(I) have been observed in MB8 clusters; see Li, Wan-Lu; Chen, Teng-Teng; Chen, Wei-Jia; Li, Jun; Wang, Lai-Sheng (2021). "Monovalent lanthanide(I) in borozene complexes". Nature Communications. 12 (1): 6467. doi:10.1038/s41467-021-26785-9. PMC 8578558. PMID 34753931.