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Lead  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number82

Atomic SymbolPb

Atomic Weight207.2 amu

GroupOther Metals, 14

FormSolid

Density @ STP11.3 g/cm3

Melting Point327.46 °C (621.43 °F, 600.61 °K)

Boiling Point1749 °C (3180.2 °F, 2022.15 °K)

Heat of Fusion4.77 kJ/mol

Heat of Vaporization179.5 kJ/mol

First Ionization Potential7.41666 eV

Electronegativity (on Pauling scale)1.8

Specific Heat Capacity0.129 J/g K

Ground State Electron Configuration5d10 6s2 6p2

Oxidation States+2, +4

Stable Isotopes and Natural Abundance on Earth204Pb, 1.4%; 206Pb, 24.1%; 207Pb, 22.1%; 208Pb, 52.4%

Selected Radioisotopes203Pb, 210Pb, 212Pb

Atomic Radius154 pm

Crystal StructureCubic

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