Pb

Lead Symbol (Pb)

Lead is element 82 of the periodic table. Copy its symbol Pb and see its atomic weight, electron configuration and common compounds.

What does Pb mean?

Pb is the chemical symbol for lead, element number 82 in the periodic table. Lead is a post-transition metal in group 14, period 6. It is a dense, toxic metal once used in water pipes and petrol; its symbol Pb comes from the Latin plumbum.

Codes and properties

Chemical symbolPb
Atomic number (Z)82
Atomic weight (PubChem)207
Group / period14 / 6
Element categorypost-transition metal
Electron configuration[Xe]6s² 4f¹⁴ 5d¹⁰ 6p²
State at 20 °CSolid
Oxidation states+4, +2
Electronegativity (Pauling)2.33
Melting point600.61 K (327.46 °C)
Boiling point2022 K (1748.85 °C)
Density11.342 g/cm³
DiscoveredKnown since ancient times
Common compoundsPbO, PbS, Pb(NO₃)₂

How to type Pb

  • Plain text: type Pb — element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase.
  • Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as PbO — copy them from the chemistry keyboard.
  • LaTeX: write \mathrm{Pb} in math mode, or use the mhchem package: \ce{Pb}.
  • HTML: Pb; for subscripts use <sub>, e.g. H<sub>2</sub>O.

Frequently asked questions

What is the chemical symbol for lead?

The chemical symbol for lead is Pb.

What is the atomic number of lead?

Lead has atomic number 82, meaning each atom has 82 protons.

What is the electron configuration of lead?

The ground-state electron configuration of lead is [Xe]6s² 4f¹⁴ 5d¹⁰ 6p².

Related symbols

Reference: Lead on PubChem (NIH)