Aluminum vs Lead

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PropertyAl AluminumPb Lead
Atomic number1382
SymbolAlPb
NameAluminumLead
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight26.981538 u207.2 u
Period36
Group1314
Blockpp
Phase at STPsolidsolid
Electron configuration[Ne]3s23p1[Xe]6s24f145d106p2
Oxidation states[-2, -1, 0, 1, 2, 3][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.612.33
Electron affinity0.4328 eV0.364 eV
Density2700 kg/m³1.134200e+4 kg/m³
Melting point660.287 °C327.46 °C
Boiling point2518.85 °C1748.85 °C
Discovery year18252021