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Ge   -   Germanium (32/72.59)

Material List
Ag,Ge (2) Ag6Ge10P12 (1) Cu,Ge (2) Cu20,Al2O3,GeO2 (1)
Ge (43) Ge,Bi,S (9) Ge,Se (3) Ge,Si (33)
Ge2N2O (1) Ge2Pr (2) Ge3Pr5 (2) GeO2 (8)
GePr (2) GeTe (1) GeTe,AgSbTe2 (5) Na2O,GeO2 (4)
Na2O,K2O,GeO2 (2) Nb3(Al,Ge) (1) Nb3Ge (1) NbGe2 (1)
Pb,Ge,Se (4) Pb2GeO4 (2) Si,Ge (2)
23 material, 132 document(s) are retrieved.
  • Naturally occurring isotopes: 74 72 70 73 76
  • Density: 5.323 (298.15K) g/cm3
  • Melting point: 937.4 oC
  • Boiling point: 2830 oC
  • Latent heat of fusion: 438.3 J/g
  • Specific heat: 0.3216 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 5.85E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 6.67E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 4.70E+01 hm-cm (at room temp.)
  • lonization potential (1st): 7.899 eV
  • Electronic work function Φ: 5
  • Oxidation potentials: Ge + 2H2O → GeO2 + 4H+ + 4e = -0.15 V
  • Chemical valence: -4 2 4
  • Electrochemical equivalents: 0.6771 g/amp-hr
  • lonic radius: 0.53 (Ge4+) angstrom
  • Valence electron potential: 109 -eV
  • Principal quantum number: 4
  • Principal electron shells: K L M N
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2
  • Valence electrons: 4s2 4p2
  • Crystal form: Cubic Diamond
  • Half life:
  • Cross section σ: 2.30 ± 0.26 barns
  • Vapor pressure: Pa (at melting point)