32Ge
Germanium
저마늄 · ゲルマニウム
Metalloid
Atomic number32
ElementGe — Germanium
Atomic mass72.63
CategoryMetalloid
Group14
Period4
Electron config[Ar] 3d10 4s2 4p2
Shells2,8,18,4
State (RT)Solid
Melting pt938°C
Boiling pt2833°C
Electronegativity2.01
Discovered1886
Main usesFiber optics, infrared optics
2 · 8 · 18 · 4