108 Hs
Transition metal
Hassium
Named after Hesse.
Properties of Hassium
- Atomic number (Z)
- 108
- Symbol
- Hs
- Atomic mass
- 269 g/mol
- Category
- Transition metal
- Group
- 8
- Period
- 7
- Electron configuration
- [Rn] 5f¹⁴ 6d⁶ 7s²
- Electronegativity (Pauling)
- —
- Atomic radius
- —
- First ionization energy
- 730 kJ/mol
- Melting point
- —
- Boiling point
- —
- Density
- 40.7 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1984