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Os   -   Osmium (76/190.2)

Material List
Ir,Os,Pt (2) Ir,Os,Rh (2) Os (13) Pu5Os3 (1)
4 material, 18 document(s) are retrieved.
  • Naturally occurring isotopes: 192 190 189 188 187 186 184
  • Density: 22.61 (293.15K) g/cm3
  • Melting point: 3045 ± 30 oC
  • Boiling point: 5027 ± 100 oC
  • Latent heat of fusion: 154.1 J/g
  • Specific heat: 0.13 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 6.30E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 8.76E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 9.50E-06 hm-cm (at room temp.)
  • lonization potential (1st): 8.7 eV
  • Electronic work function Φ: 4.83
  • Oxidation potentials: Os + 4H2O → OsO4 + 8H+ + 8e = -0.85 V
  • Chemical valence: 0 1 2 3 4 5 6 7 8
  • Electrochemical equivalents: 1.774 g/amp-hr
  • lonic radius: 0.63 angstrom
  • Valence electron potential: 91.4 -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 5d6 6s2
  • Valence electrons: 5d6 6s2
  • Crystal form: HCP
  • Half life:
  • Cross section σ: 15.3 ± 0.7 barns
  • Vapor pressure: 2.52E+01 Pa (at melting point)