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82
Pb
207.2

Lead

Post-transition metals · Group 14 · Period 6

Atomic properties

Atomic number82
SymbolPb
Standard atomic weight207.2
ClassificationPost-transition metals
Group14
Period6
Blockp-block
Electron configuration[Xe] 4f14 5d10 6s2 6p2
Electronegativity (Pauling)2.33
Common oxidation states+4, +2

Physical properties

Phase at 20 °CSolid
Density11.34 g/cm³
Melting point327.46 °C
Boiling point1749 °C
DiscoveredAncient
CAS number