Lead (Pb)

Lead is a chemical element with symbol Pb and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and has a relatively low melting point.

Atomic Number

82

Atomic Mass

207.2 u

Category

post transition

Phase

solid

Density

11.34 g/cm³

Electron Shells

2, 8, 18, 32, 18, 4

Atomic Structure

Protons: 82 • Electrons: 82 • Neutrons: Varies by isotope

Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p²

Discovery

Unknown