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Gd   -   Gadolinium (64/157.25)

Material List
  • Naturally occurring isotopes: 158 160 156 157 155 154 152
  • Density: 7.900 (298.15K) g/cm3
  • Melting point: 1313 oC
  • Boiling point: 3266 oC
  • Latent heat of fusion: 98.51 J/g
  • Specific heat: 0.235 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 9.70E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 1.05E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 1.41E-04 hm-cm (at room temp.)
  • lonization potential (1st): 6.14 eV
  • Electronic work function Φ: 3.1
  • Oxidation potentials: Gd → Gd3+ + 3e = 2.397 V
  • Chemical valence: 3
  • Electrochemical equivalents: 1.9557 g/amp-hr
  • lonic radius: 0.938 angstrom
  • Valence electron potential: 46.1 -eV
  • Principal quantum number: 6
  • Principal electron shells: K L M N O P
  • Electronic configuration: 1s2 2s2 2p6 3s2 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2
  • Valence electrons: 4f7 5d1 6s2
  • Crystal form: HCP
  • Half life:
  • Cross section σ: 46000 ± 2000 barns
  • Vapor pressure: 2.44E+04 Pa (at melting point)