Tellurium vs Lead

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PropertyTe TelluriumPb Lead
Atomic number5282
SymbolTePb
NameTelluriumLead
Categorymetalloidpost-transition-metal
Standard Atomic Weight127.6 u207.2 u
Period56
Group1614
Blockpp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p4[Xe]6s24f145d106p2
Oxidation states[-2, -1, 0, 1, 2, 3, 4, 5, 6][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)2.12.33
Electron affinity1.9708 eV0.364 eV
Density6232 kg/m³1.134200e+4 kg/m³
Melting point449.51 °C327.46 °C
Boiling point987.85 °C1748.85 °C
Discovery year17822021