NO. 107Transition

Bh

Bohrium

Bohrium is a synthetic element expected to behave similarly to rhenium. It has no uses beyond scientific study.

Crystal Structure

Hexagonal close-packed (predicted)

Atomic Mass270 u

Density19 g/cm³

Melting Point2600 K

Boiling Point5000 K

Atomic Radius141 pm

Electronegativity1.3

Ionization Energy610 kJ/mol

Electron Affinity0 kJ/mol

Bonding TypeMetallic

Oxidation States7

Acid/BaseBasic

ReactivityMedium

Electron Configuration

[Rn] 5f14 6d5 7s2

Discovered ByGSI Darmstadt

Year1981

Known Isotopes

Bh-270