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Bk   -   Berkelium (97/247.07)

Material List
Currently compound materials are not available.
  • Naturally occurring isotopes: None
  • Density: 14.78 (298.15K) g/cm3
  • Melting point: 986 ± 25 oC
  • Boiling point: oC
  • Latent heat of fusion: J/g
  • Specific heat: J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: cm/cm/K (at room temp.)
  • Thermal conductivity: W/cm/K (at room temp.)
  • Electrical resistivity: hm-cm (at room temp.)
  • lonization potential (1st): 6.23 eV
  • Electronic work function Φ:
  • Oxidation potentials: Bk → Bk3+ + 3e = 1.97 V
  • Chemical valence: 3 4
  • Electrochemical equivalents: 3.0727 g/amp-hr
  • lonic radius: 0.949 angstrom
  • Valence electron potential: 45.5 -eV
  • Principal quantum number: 7
  • Principal electron shells: K L M N O P Q
  • Electronic configuration: 1s2 2s2 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f8 6s2 6p6 6d1 7s2
  • Valence electrons: 5f8 6d1 7s2
  • Crystal form: Hexagonal
  • Half life: 1.4E3 years
  • Cross section σ: barns
  • Vapor pressure: Pa (at melting point)