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Atomic mass, symbol and atomic number
Bohrium is an artificially created element with the element symbol Bh and atomic number 107. In the periodic table it belongs to the transactinoids with an atomic mass of 262.12 u. The chemical element discovered in 1976 is radioactive and is in a solid state of aggregation at room temperature.
Characteristics: Bohrium (English: Bohrium)
|Year of discovery:||1976|
|Atomic mass:||262,12 u|
|Atomic radius:||128 pm|
|Covalent radius:||141 pm|
|Van der Waals radius:||unknown|
|Electron configuration:||Rn 5f14 6d5 7s2|
|Heat of fusion:||unknown|
|Heat of vaporization:||unknown|
Did you know that ...
- Bohrium was named in honor of the physicist Niels Bohr?
- the element should originally be called "nielsbohrium", but rejected by IUPAC?
- most Bohrium isotopes have a half-life of less than one second?