Indium vs Antimony

PropertyIn IndiumSb Antimony
Atomic number4951
SymbolInSb
NameIndiumAntimony
Categorypost-transition-metalmetalloid
Standard Atomic Weight114.818 u121.76 u
Period55
Group1315
Blockpp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p1[Kr]5s24d105p3
Oxidation states[-5, -2, -1, 0, 1, 2, 3][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.782.05
Electron affinity0.3 eV1.07 eV
Density7310 kg/m³6685 kg/m³
Melting point156.6 °C630.63 °C
Boiling point2071.85 °C1586.85 °C
Discovery year18631707