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
Frequently asked questions
What is Bohrium?
Bohrium (Bh) is a transition metal, element number 107 on the periodic table. Named after Niels Bohr.
What is the atomic number and atomic mass of Bohrium?
Bohrium has atomic number 107 and an atomic mass of about 270 g/mol.
What is the electron configuration of Bohrium?
The electron configuration of Bohrium is [Rn] 5f¹⁴ 6d⁵ 7s².
Where is Bohrium on the periodic table?
Bohrium sits in group 7, period 7, and is classified as a transition metal.