Cerium vs Lead

PropertyCe CeriumPb Lead
Atomic number5882
SymbolCePb
NameCeriumLead
Categorylanthanidepost-transition-metal
Standard Atomic Weight140.116 u207.2 u
Period66
GroupN/A14
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s24f15d1[Xe]6s24f145d106p2
Oxidation states[1, 2, 3, 4][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.122.33
Electron affinity0.955 eV0.364 eV
Density6770 kg/m³1.134200e+4 kg/m³
Melting point797.85 °C327.46 °C
Boiling point3423.85 °C1748.85 °C
Discovery year18012021