The most corrosion-resistant metal known, and the fingerprint of the asteroid that ended the dinosaurs.
- Atomic number
- 77
- Atomic mass
- 192.217 u
- Phase
- Solid
- Electron configuration
- [Xe] 4f¹⁴ 5d⁷ 6s²
- Melting point
- 2,719 K · 2,445.9 °C
- Boiling point
- 4,701 K · 4,427.9 °C
- Density
- 22.56 g/cm³
- Electronegativity
- 2.2
- Period / Group
- 6 / 9
- Discovery year
- 1803