32 Ge
Metalloid
Germanium
Used in fiber optics.
Properties of Germanium
- Atomic number (Z)
- 32
- Symbol
- Ge
- Atomic mass
- 72.63 g/mol
- Category
- Metalloid
- Group
- 14
- Period
- 4
- Electron configuration
- [Ar] 3d¹⁰ 4s² 4p²
- Electronegativity (Pauling)
- 2.01
- Atomic radius
- 125 pm
- First ionization energy
- 762 kJ/mol
- Melting point
- 1211.4 K (938.3 °C)
- Boiling point
- 3106 K (2832.8 °C)
- Density
- 5.323 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1886