A platinum-group metal that hardens its neighbours and catalyses ammonia synthesis.
- Atomic number
- 44
- Atomic mass
- 101.07 u
- Phase
- Solid
- Electron configuration
- [Kr] 4d⁷ 5s¹
- Melting point
- 2,607 K · 2,333.9 °C
- Boiling point
- 4,423 K · 4,149.9 °C
- Density
- 12.45 g/cm³
- Electronegativity
- 2.2
- Period / Group
- 5 / 8
- Discovery year
- 1844