Cesium vs Lead

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PropertyCs CesiumPb Lead
Atomic number5582
SymbolCsPb
NameCesiumLead
Categoryalkali-metalpost-transition-metal
Standard Atomic Weight132.905452 u207.2 u
Period66
Group114
Blocksp
Phase at STPsolidsolid
Electron configuration[Xe]6s1[Xe]6s24f145d106p2
Oxidation states[-1, 1][-4, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)0.792.33
Electron affinity0.4716 eV0.364 eV
Density1930 kg/m³1.134200e+4 kg/m³
Melting point28.44 °C327.46 °C
Boiling point670.85 °C1748.85 °C
Discovery year18602021