Gallium vs Lead

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PropertyGa GalliumPb Lead
Atomic number3182
SymbolGaPb
NameGalliumLead
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight69.723 u207.2 u
Period46
Group1314
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p1[Xe]6s24f145d106p2
Oxidation states[-5, -4, -3, -2, -1, 0, 1, 2, 3][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.812.33
Electron affinity0.3 eV0.364 eV
Density5910 kg/m³1.134200e+4 kg/m³
Melting point29.76 °C327.46 °C
Boiling point2203.85 °C1748.85 °C
Discovery year18752021