Copper vs Lead

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PropertyCu CopperPb Lead
Atomic number2982
SymbolCuPb
NameCopperLead
Categorytransition-metalpost-transition-metal
Standard Atomic Weight63.546 u207.2 u
Period46
Group1114
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]4s13d10[Xe]6s24f145d106p2
Oxidation states[-2, 0, 1, 2, 3, 4][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.92.33
Electron affinity1.235 eV0.364 eV
Density8933 kg/m³1.134200e+4 kg/m³
Melting point1084.62 °C327.46 °C
Boiling point2561.85 °C1748.85 °C
Discovery yearN/A2021