Element | Germanium | Symbol | Ge |
Atomic Number | 32 | Molar Mass | 72.59 gmol-1 |
Electron Configuration | [Ar]3d104s24p2 | Normal State | solid metalloid |
Density @STP | 5.32 g cm-3 | Melting Point | 938oC |
Boiling Point | 2833oC | Stable Isotopes | 70Ge, 72Ge, 73Ge, 74Ge, 76Ge |
Atomic Radius | 122 pm | Ionic Radius | 90 (2+) pm |
Electronegativity (Pauling) | 2.01 | Ionization Energy (1st) | 762 kJ mol-1 |
Ionization Energy (2nd) | 1537 kJ mol-1 | Ionization Energy (3rd) | 3302 kJ mol-1 |
Molar Heat Capacity | 23.3 J K-1mol-1 | Standard Molar Entropy | 31.1 J K-1mol-1 |
Enthalpy of Fusion | 34.7 kJ mol-1 | Enthalpy of Vapourization | 334.3 kJ mol-1 |