Bohrium (Bh)

Bohrium is a synthetic chemical element with symbol Bh and atomic number 107. It is named after Danish physicist Niels Bohr. As a synthetic element, it can be created in a laboratory but is not found in nature.

Atomic Number

107

Atomic Mass

270 u

Category

transition metal

Phase

solid

Density

37.1 g/cm³

Electron Shells

2, 8, 18, 32, 32, 13, 2

Atomic Structure

Protons: 107 • Electrons: 107 • Neutrons: Varies by isotope

Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁵

Discovery

1981 • Peter Armbruster, Gottfried Munzenberg