Bohrium is element 107, a transition metal of the d block, in group 7, period 7. Its ground-state configuration is [Rn] 5f14 6d5 7s2, and it usually shows the oxidation states 0.
It was discovered in 1976, by Oganessian.
Name origin: Niels Bohr, physicist.
The periodic table, read every way a chemistry course asks for. This tool needs JavaScript; these are the pages it offers: