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Po   -   Polonium (84/208.982)

Material List
Currently compound materials are not available.
  • Naturally occurring isotopes: None
  • Density: 9.20 (293.15K) g/cm3
  • Melting point: 254 oC
  • Boiling point: 962 oC
  • Latent heat of fusion: 60.1 J/g
  • Specific heat: 0.13 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 2.35E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: W/cm/K (at room temp.)
  • Electrical resistivity: 4.20E-05 hm-cm (at room temp.)
  • lonization potential (1st): 8.42 eV
  • Electronic work function Φ:
  • Oxidation potentials: Po → Po2+ + 2e = -0.65 V
  • Chemical valence: -2 0 2 4 6
  • Electrochemical equivalents: 3.8986 g/amp-hr
  • lonic radius: 2.3 angstrom
  • Valence electron potential: -12.5 -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 5d10 6s2 6p4
  • Valence electrons: 6s2 6p4
  • Crystal form: BCC
  • Half life: 103 years
  • Cross section σ: barns
  • Vapor pressure: 1.76E-02 Pa (at melting point)