The periodic Table
coloured by Discovery
coloured by States
Constants, Astronomy
Constants, Physics
SI Units
by Peder Axensten

Ge


in WebElements
in X-Ray info
Ge, 32
germanium (English)
germanium, m. (French)
Germanium, n. (German)
germanij (Russian)
germanio??? (Spanish)
germanium (Swedish)


Symbol, numberGe, 32 (semiconductor), Group: 14; 4A
Weight72.61
In Nature
Discovered1886, by Clemens Winkler (Germany)
Density  [kg/m3]5323 [293 K] (solid)   5490 [1210 K] (liquid)   
Molar volume13.64 cm3
Melting Temperature1210.6 K   (937.6 °C)   Enthalpy: 334.3 kJ/mol
Boiling Temperature3103 K   (2830 °C)   Enthalpy: 34.7 kJ/mol
Electrical resistance0.46 [295 K] Wm
ThermalConductivity: 59.9 [300 K] W/Km     Expansion: 5.57E-6 /K
Configuration1s2 2s2p6 3s2p6d10 4s2p2
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State Df Df CpH 298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Ge