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U   -   Uranium (92/238.029)

Material List
  • Naturally occurring isotopes: 238 235 234
  • Density: 19.04 (298.15K) g/cm3
  • Melting point: 1132.3 ± 0.8 oC
  • Boiling point: 3818 oC
  • Latent heat of fusion: 65.08 J/g
  • Specific heat: 0.1162 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 1.34E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 2.75E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 2.70E-05 hm-cm (at room temp.)
  • lonization potential (1st): 6.05 eV
  • Electronic work function Φ: 3.63
  • Oxidation potentials: U → U3+ + 3e = 1.789 V
  • Chemical valence: 3 4 5 6
  • Electrochemical equivalents: 1.4801 g/amp-hr
  • lonic radius: 0.52 (U6+) angstrom
  • Valence electron potential: 170 -eV
  • Principal quantum number: 7
  • Principal electron shells: K L M N O P Q
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f3 6s2 6p6 6d1 7s2
  • Valence electrons: 5f3 6d1 7s2
  • Crystal form: Orthorhombic
  • Half life: 4.51E9 years
  • Cross section σ: 7.595 ± 0.070 barns
  • Vapor pressure: 1.19E-06 Pa (at melting point)