Lead is a metallic chemical element, the symbol Pb ( atomic number 82, atomic weight 207.2), is the largest non-radioactive element.Lead metal is a face - centered cubic crystal.Metallic lead is a kind of corrosion - resistant heavy non - ferrous metal material.
Phase at STP：solid
Melting point：600.61 K (327.46 °C, 621.43 °F)
Boiling point：2022 K (1749 °C, 3180 °F)
Density (near r.t.)：11.34 g/cm3
when liquid (at m.p.)：10.66 g/cm3
Heat of fusion：4.77 kJ/mol
Heat of vaporization：179.5 kJ/mol
Molar heat capacity：26.650 J/(mol·K)
Widely used in chemical industry, cable, battery and radioactive protection and other industrial sectors.
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