Lead has been commonly used for thousands of years.
Name: Lead
Symbol: Pb
Atomic number: 82
Atomic weight: 207.2
State: solid
Group, period, block: 14, 6, p
Color: metallic gray
Classification: post-transition metal
Electron configuration: 4f14 5d10 6s2 6p2
2,8,18,32,18,4
Physical properties
Density: 11.34 g/cm-3
Melting point: 600.61 K,327.46 °C,621.43 °F
Boiling point: 2022 K,1749 °C,3180 °F
Atomic properties
Oxidation states: 4, 3, 2, 1
Electronegativity: 2.33 (Pauling scale)
Ionization energies: 1st: 715.6 kJ·mol-1
Covalent radius: 146±5 pm
Van der Waals radius: 202 pm
- Pb
Electron Configuration
Isotopes
There are four naturally occurring isotopes of lead exist, 204Pb, 206Pb, 207Pb, and 208Pb.