Lead

Post-transition metal · 207 u · group 14, period 6

Lead · Pb

Atomic number82

SymbolPb

CategoryPost-transition metal

Standard stateSolid

Group · Period · Block14 · 6 · p

Electron configuration[Xe]6s2 4f14 5d10 6p2

Atomic mass207 u

Atomic radius202 pm

Protons / Neutrons / Electrons82 / 125 / 82

Shells (e⁻ per shell)2, 8, 18, 32, 18, 4

Electronegativity (Pauling)2.33

Ionization energy7.417 eV

Electron affinity0.36 eV

Oxidation states+4, +2

Melting point600.6 K · 327.5 °C

Boiling point2.02e+3 K · 1.75e+3 °C

Density11.342 g/cm³

Year discoveredAncient

CPK color

#575961

State at room temp (25 °C)

solid

Position

1 in library