Effectively transparent to neutrons, which is why it lines the fuel rods in nearly every nuclear reactor.
- Atomic number
- 40
- Atomic mass
- 91.224 u
- Phase
- Solid
- Electron configuration
- [Kr] 4d² 5s²
- Melting point
- 2,128 K · 1,854.9 °C
- Boiling point
- 4,682 K · 4,408.9 °C
- Density
- 6.52 g/cm³
- Electronegativity
- 1.33
- Period / Group
- 5 / 4
- Discovery year
- 1789