Antimony vs Xenon

PropertySb AntimonyXe Xenon
Atomic number5154
SymbolSbXe
NameAntimonyXenon
Categorymetalloidnoble-gas
Standard Atomic Weight121.76 u131.293 u
Period55
Group1518
Blockpp
Phase at STPsolidgas
Electron configuration[Kr]5s24d105p3[Kr]5s24d105p6
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][0, 2, 4, 6, 8]
Electronegativity (Pauling)2.052.6
Electron affinity1.07 eV-0.8 eV
Density6685 kg/m³5.887 kg/m³
Melting point630.63 °C-111.79 °C
Boiling point1586.85 °C-108.1 °C
Discovery year17071898