Atomic Number: 32

Name: Germanium

Atomic symbol: Ge

Atomic Weight: 72.59

Electron affinity: -120 kJ/mol

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p²

Ionization energies: 762 kJ/mol

Pauling electronegativity: 1.8

Melting Point: 937^oC

Boiling Point: 2830^oC

Density: 5.35 g/cm³

Covalent radius: 1.22 angstroms

Ionic radius: 2.72 angstroms (-4); 0.73 angstroms (+2); 0.53 angstroms (+4)

Common oxidation states in compounds: +2, +4