Antimony vs Tellurium

PropertySb AntimonyTe Tellurium
Atomic number5152
SymbolSbTe
NameAntimonyTellurium
Categorymetalloidmetalloid
Standard Atomic Weight121.76 u127.6 u
Period55
Group1516
Blockpp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p3[Kr]5s24d105p4
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][-2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)2.052.1
Electron affinity1.07 eV1.9708 eV
Density6685 kg/m³6232 kg/m³
Melting point630.63 °C449.51 °C
Boiling point1586.85 °C987.85 °C
Discovery year17071782