Bh
Bohrium
Atomic number: 107Mass: 270 uCategory: Transition Metal
About Bohrium
Bohrium is a synthetic chemical element named after physicist Niels Bohr. Only a few dozen atoms of bohrium have ever been created. Its most stable isotope has a half-life of about 61 seconds.
Properties
Period
7
Group
7
Block
D
Category
Transition Metal
Electronegativity
N/A
Ionization Energy
Unknown
Melting Point
Unknown
Boiling Point
Unknown
Density
37.1 g/cm³
Oxidation States
+7
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p⁶ 5f¹⁴ 6d⁵ 7s²
[Rn] 5f¹⁴ 6d⁵ 7s²
Shell 1:2e⁻
Shell 2:8e⁻
Shell 3:18e⁻
Shell 4:32e⁻
Shell 5:32e⁻
Shell 6:13e⁻
Shell 7:2e⁻
Real-World Uses
Research only
Nuclear physics
Scientific studies
No practical applications
Fundamental science
Fun Fact
Only a few dozen atoms of bohrium have ever been created in human history — and each atom exists for less than a minute!