Symbol
Bh
Atomic Number
107
Atomic Mass
270
Protons
107
Neutrons
163
Electrons
107
Type
Transition Metal
Isotopes
Bohrium-270
Discovery Year
1981
Discovered By
G. N. Flerov and others
Group
7
Period
7
Boiling Point
Unknown
Melting Point
Unknown
Electron Configuration
[Rn] 7s² 5f¹⁴ 6d⁵
Density (g/cm³)
14.8
Crystal Structure
Unknown
Magnetism
Unknown
Abundance in Earth's Crust
Trace
Phase at Room Temperature
Solid