Lead

Atomic Number: 82

Name: Lead

Original name: Plumbum

Atomic symbol: Pb

Atomic Weight: 207.2

Electron affinity: -110 kJ/mol

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶4f¹⁴5d¹⁰6s²6p²

Ionization energies: 716 kJ/mol

Pauling electronegativity: 1.8

Melting Point: 328^oC

Boiling Point: 1740^oC

Density: 11.3 g/cm³

Standard potential (volts), M⁺ + e^- ---> M: -0.13

Covalent radius: 1.54 angstroms

Ionic radius: 1.33 angstroms (+2); 0.84 angstroms (+4)

Common oxidation states in compounds: +2, +4