Germanium vs Antimony

PropertyGe GermaniumSb Antimony
Atomic number3251
SymbolGeSb
NameGermaniumAntimony
Categorymetalloidmetalloid
Standard Atomic Weight72.63 u121.76 u
Period45
Group1415
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Kr]5s24d105p3
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)2.012.05
Electron affinity1.232 eV1.07 eV
Density5323.4 kg/m³6685 kg/m³
Melting point938.25 °C630.63 °C
Boiling point2832.85 °C1586.85 °C
Discovery year18861707