Periodic table of the elements
GalliumGermaniumArsenic
32
Ge
Germanium
72.64
2
8
18
4
32
Ge
Germanium
72.64
2
8
18
4
General
NameGermanium
SymbolGe
Number32
Chemical seriesMetalloids
Group / Period14 / 4
Blockp-block
CAS registry number7440-56-4

Physical properties
Statesolid
Density5.323 g/cm3
Melting point1211.40 K (938.25 °C, 1720.85 °F)
Boiling point3106 K (2833°C, 5131°F)
Critical point

Atomic properties
Atomic Weight72.64 g/mol
Crystal structurecubic face centered
Electronegativity2.01
Atomic radius125 pm
Atomic radius (calculated)125 pm
Electron configuration[Ar] 3d10 4s2 4p2
Electrons per shell2, 8, 18, 4
Number of protons32
Number of neutrons41

Other languages
SpanishGermanio
PortugueseGermânio
FrenchGermanium
GermanGermanium
ItalianGermanio
RussianГерманий
PolishGerman
Chinese
Arabicجرمانيوم
TurkishGermanyum
DutchGermanium


Periodic table of the elements
GalliumGermaniumArsenic