Copper vs Tellurium

PropertyCu CopperTe Tellurium
Atomic number2952
SymbolCuTe
NameCopperTellurium
Categorytransition-metalmetalloid
Standard Atomic Weight63.546 u127.6 u
Period45
Group1116
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s13d10[Kr]5s24d105p4
Oxidation states[-2, 0, 1, 2, 3, 4][-2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.92.1
Electron affinity1.235 eV1.9708 eV
Density8933 kg/m³6232 kg/m³
Melting point1084.62 °C449.51 °C
Boiling point2561.85 °C987.85 °C
Discovery yearN/A1782