The densest naturally occurring element: a litre of osmium weighs 22.6 kg.
- Atomic number
- 76
- Atomic mass
- 190.23 u
- Phase
- Solid
- Electron configuration
- [Xe] 4f¹⁴ 5d⁶ 6s²
- Melting point
- 3,306 K · 3,032.9 °C
- Boiling point
- 5,285 K · 5,011.9 °C
- Density
- 22.59 g/cm³
- Electronegativity
- 2.2
- Period / Group
- 6 / 8
- Discovery year
- 1803