107 Bh
Transition metal
Bohrium
Named after Niels Bohr.
Properties of Bohrium
- Atomic number (Z)
- 107
- Symbol
- Bh
- Atomic mass
- 270 g/mol
- Category
- Transition metal
- Group
- 7
- Period
- 7
- Electron configuration
- [Rn] 5f¹⁴ 6d⁵ 7s²
- Electronegativity (Pauling)
- —
- Atomic radius
- —
- First ionization energy
- 740 kJ/mol
- Melting point
- —
- Boiling point
- —
- Density
- 37.1 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1981