Platinum vs Lead

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PropertyPt PlatinumPb Lead
Atomic number7882
SymbolPtPb
NamePlatinumLead
Categorytransition-metalpost-transition-metal
Standard Atomic Weight195.084 u207.2 u
Period66
Group1014
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s14f145d9[Xe]6s24f145d106p2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5, 6][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)2.282.33
Electron affinity2.1228 eV0.364 eV
Density2.146000e+4 kg/m³1.134200e+4 kg/m³
Melting point1768.4 °C327.46 °C
Boiling point3824.85 °C1748.85 °C
Discovery year17352021