Bohrium (Bh)
Bohrium (Bh, element 107) is a transition metal in group 7, period 7. Atomic mass 274, electron configuration [Rn] 5f¹⁴ 6d⁵ 7s², uses and facts.
About Bohrium
Bohrium is a transition metal with the symbol Bh and atomic number 107. Its state at room temperature is not known, because too little of it has been made, and it sits in group 7, period 7 of the periodic table. Bohrium was discovered in 1981 by GSI Helmholtz Centre.
Bohrium key facts
- Atomic number: 107
- Symbol: Bh
- Atomic mass: 274 u
- Category: transition metal
- Group: 7
- Period: 7
- State at room temperature: not known
- Electron configuration: [Rn] 5f¹⁴ 6d⁵ 7s²
- Electronegativity (Pauling): not assigned
- Melting point: not known
- Boiling point: not known
- Density: not known
- Common oxidation states: not known
Electron configuration
The electron configuration of bohrium is [Rn] 5f¹⁴ 6d⁵ 7s². The part in brackets is the noble gas core; the rest shows how the outer electrons fill their subshells.
Uses of bohrium
- Research only
Did you know?
Named after Niels Bohr. Only a handful of atoms have ever been created.
Other elements in group 7 and neighbours
Frequently asked questions
What is the atomic number of bohrium?
The atomic number of bohrium is 107, which means every bohrium atom has 107 protons.
What is the electron configuration of bohrium?
The electron configuration of bohrium is [Rn] 5f¹⁴ 6d⁵ 7s².
What group and period is bohrium in?
Bohrium is a transition metal in group 7, period 7.
What state is bohrium at room temperature?
The state of bohrium at room temperature is not known, because too little of it has been made.
What is bohrium used for?
Bohrium is used for research only.