Atomic symbol: Bh
Atomic number: 107
Atomic mass: 270

Appearance: Solid at 25°C

Group: 7
Period: 7
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁶ 5f¹⁴ 6d⁵ 7s²

A synthetic, radioactive metal.

Fun Fact! Like seaborgium, bohrium is incredibly unstable, with the most stable known isotope, bohrium-270, having a half-life of only 61 seconds!