Atomic Element Z = 32 • Metalloid
Germanium (Ge) — Atomic Data, Electron Shells & Reactions
Germanium (symbol Ge, atomic number 32) has a standard atomic weight of 72.63 u and ground-state configuration [Ar] 3d10 4s2 4p2.
Atomic Number (Z)
32
IUPAC Symbol
Ge
Standard Atomic Weight
72.63 g/mol
Period / Group / Block
4 / 14 / p-block
Condensed Electron Config
[Ar] 3d10 4s2 4p2
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2
Principal Shell Occupancy
[2, 8, 18, 4]
Pauling Electronegativity
2.01
First Ionization Energy
762 kJ/mol
Covalent Radius
120 pm
Melting Point
1211.4 K (938.25 °C)
Boiling Point
3106 K (2832.85 °C)
Density
5.323 g/cm³
Oxidation States
+4, +2
Ge (Z=32) — Valence shell highlighted in vermilion