82 Pb
Post-transition metal
Lead
Dense; in batteries and shielding.
Properties of Lead
- Atomic number (Z)
- 82
- Symbol
- Pb
- Atomic mass
- 207.2 g/mol
- Category
- Post-transition metal
- Group
- 14
- Period
- 6
- Electron configuration
- [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
- Electronegativity (Pauling)
- 2.33
- Atomic radius
- 154 pm
- First ionization energy
- 716 kJ/mol
- Melting point
- 600.61 K (327.5 °C)
- Boiling point
- 2022 K (1748.8 °C)
- Density
- 11.342 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Known since ancient times