Rhodium vs Lead

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PropertyRh RhodiumPb Lead
Atomic number4582
SymbolRhPb
NameRhodiumLead
Categorytransition-metalpost-transition-metal
Standard Atomic Weight102.9055 u207.2 u
Period56
Group914
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d8[Xe]6s24f145d106p2
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)2.282.33
Electron affinity1.137 eV0.364 eV
Density1.240000e+4 kg/m³1.134200e+4 kg/m³
Melting point1963.85 °C327.46 °C
Boiling point3694.85 °C1748.85 °C
Discovery year18032021