Atomic Element Z = 82 • Post-Transition Metal
Lead (Pb) — Atomic Data, Electron Shells & Reactions
Lead (symbol Pb, atomic number 82) has a standard atomic weight of 207.2 u and ground-state configuration [Xe] 4f14 5d10 6s2 6p2.
Atomic Number (Z)
82
IUPAC Symbol
Pb
Standard Atomic Weight
207.2 g/mol
Period / Group / Block
6 / 14 / p-block
Condensed Electron Config
[Xe] 4f14 5d10 6s2 6p2
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p2
Principal Shell Occupancy
[2, 8, 18, 32, 18, 4]
Pauling Electronegativity
2.33
First Ionization Energy
716 kJ/mol
Covalent Radius
146 pm
Melting Point
600.61 K (327.46 °C)
Boiling Point
2022 K (1748.85 °C)
Density
11.342 g/cm³
Oxidation States
+2, +4
Pb (Z=82) — Valence shell highlighted in vermilion
Interactive Stoichiometry Reactions Involving Lead:
Pb(NO3)2 + KI -> PbI2 + KNO3