Germanium vs Tellurium

PropertyGe GermaniumTe Tellurium
Atomic number3252
SymbolGeTe
NameGermaniumTellurium
Categorymetalloidmetalloid
Standard Atomic Weight72.63 u127.6 u
Period45
Group1416
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Kr]5s24d105p4
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)2.012.1
Electron affinity1.232 eV1.9708 eV
Density5323.4 kg/m³6232 kg/m³
Melting point938.25 °C449.51 °C
Boiling point2832.85 °C987.85 °C
Discovery year18861782