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Yb   -   Ytterbium (70/173.04)

Material List
  • Naturally occurring isotopes: 174 172 173 171 176 170 168
  • Density: 6.965 (298.15K) g/cm3
  • Melting point: 819 oC
  • Boiling point: 1194 oC
  • Latent heat of fusion: 53.23 J/g
  • Specific heat: 0.155 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 2.99E+07 cm/cm/K (at room temp.)
  • Thermal conductivity: 3.49E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 2.80E-05 hm-cm (at room temp.)
  • lonization potential (1st): 6.2539 eV
  • Electronic work function Φ:
  • Oxidation potentials: Yb → Yb3+ + 3e = 2.267 V
  • Chemical valence: 2 3
  • Electrochemical equivalents: 2.152 g/amp-hr
  • lonic radius: 0.858 (Yb3+) angstrom
  • Valence electron potential: 50.3 -eV
  • Principal quantum number: 6
  • Principal electron shells: K L M N O P
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5p6 6s2
  • Valence electrons: 4f14 6s2
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 37 ± 3 barns
  • Vapor pressure: 3.95E+02 Pa (at melting point)