Bohrium (Bh)

Bohrium

Bohrium (Bh) is a transition metal in period 7, group 7. Its relative atomic mass is [270] and the molar mass of the atom is [270] g/mol.

Position in the tableBack to the full table →
Atomic number 107
Atomic mass [270] predicted
Molar mass [270] g/mol
Category Transition metal Unknown

Properties of bohrium

Atomic number107
SymbolBh
Latin nameBohrium
Relative atomic mass[270]
Molar mass[270] g/mol
Group, period, block7, 7, d
CategoryTransition metal
State at 20 °CUnknown
Electron configuration[Rn] 5f¹⁴ 6d⁵ 7s²

Electron configuration of bohrium

Bh
Bohr model (simplified)
Electrons per shell
K2L8M18N32O32P13Q2
Full notation

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

Noble-gas notation

[Rn] 5f¹⁴ 6d⁵ 7s²

107 protons · 107 electrons

Formula and compounds of bohrium

Simple substanceBhbohrium

Molar mass of Bh: [270] g/mol

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Frequently asked questions

The relative atomic mass of bohrium is [270], so the molar mass of the atom is [270] g/mol.

Full: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d⁵ 7s². Noble-gas notation: [Rn] 5f¹⁴ 6d⁵ 7s².