Cadmium vs Tellurium

PropertyCd CadmiumTe Tellurium
Atomic number4852
SymbolCdTe
NameCadmiumTellurium
Categorytransition-metalmetalloid
Standard Atomic Weight112.414 u127.6 u
Period55
Group1216
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d10[Kr]5s24d105p4
Oxidation states[-2, 1, 2][-2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.692.1
Electron affinity-0.7 eV1.9708 eV
Density8690 kg/m³6232 kg/m³
Melting point321.07 °C449.51 °C
Boiling point766.85 °C987.85 °C
Discovery year18171782