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Pt   -   Platinum (78/195.09)

Material List
  • Naturally occurring isotopes: 195 194 196 198 192 190
  • Density: 21.45 (293.15K) g/cm3
  • Melting point: 1773.5 oC
  • Boiling point: 3827 ± 100 oC
  • Latent heat of fusion: 100.9 J/g
  • Specific heat: 0.133 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 9.50E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 7.16E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 9.85E-06 hm-cm (at room temp.)
  • lonization potential (1st): 8.96 eV
  • Electronic work function Φ: 5.65
  • Oxidation potentials: Pt → Pt2+ + 2e = -1.2 V
  • Chemical valence: 2 3 4
  • Electrochemical equivalents: 1.8197 g/amp-hr
  • lonic radius: 0.625 angstrom
  • Valence electron potential: 92.2 -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 5d9 6s1
  • Valence electrons: 5d9 6s1
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 9 ± 1 barns
  • Vapor pressure: 3.12E-02 Pa (at melting point)