Dense, soft and endlessly useful — and quietly responsible for centuries of chronic poisoning.
- Atomic number
- 82
- Atomic mass
- 207.2 u
- Phase
- Solid
- Electron configuration
- [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
- Melting point
- 600.61 K · 327.5 °C
- Boiling point
- 2,022 K · 1,748.9 °C
- Density
- 11.342 g/cm³
- Electronegativity
- 2.33
- Period / Group
- 6 / 14
- Discovery year
- Ancient