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Cs   -   Cesium (55/132.905)

Material List
  • Naturally occurring isotopes: 133
  • Density: 1.873 (293.15K) g/cm3
  • Melting point: 28.40 ± 0.01 oC
  • Boiling point: 669.3 oC
  • Latent heat of fusion: 16.372 J/g
  • Specific heat: 0.241 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 9.70E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 3.59E-01 (at Mp) W/cm/K (at room temp.)
  • Electrical resistivity: 2.05E-05 hm-cm (at room temp.)
  • lonization potential (1st): 3.894 eV
  • Electronic work function Φ: 2.14
  • Oxidation potentials: Cs → Cs+ + e = 2.923 V
  • Chemical valence: 1
  • Electrochemical equivalents: 4.9587 g/amp-hr
  • lonic radius: 1.67 angstrom
  • Valence electron potential: 8.62 -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 5s2 5p6 6s1
  • Valence electrons: 6s1
  • Crystal form: BCC
  • Half life:
  • Cross section σ: 30.0 ± 1.5 barns
  • Vapor pressure: 2.50E-05 Pa (at melting point)