107 Bh 270
Bohrium
transition metal
Properties
- Atomic number
- 107
- Atomic mass
- 270 u
- Category
- transition metal
- Group
- 7
- Period
- 7
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- -
- Density
- 37.1 g/cm³
- Melting point
- -
- Boiling point
- -
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁵
Noble-gas shorthand: [Rn] 5f¹⁴ 6d⁵ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 13, 2, which is 2 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Bohrium
Bohrium is a chemical element with symbol Bh and atomic number 107. It is named after Danish physicist Niels Bohr. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 270Bh, has a half-life of approximately 61 seconds.
- Discovered by Gesellschaft für Schwerionenforschung
Bohrium: frequently asked questions
- What is Bohrium?
- Bohrium (Bh) is the chemical element with atomic number 107. It is a metal: specifically a transition metal.
- What is the atomic number of Bohrium?
- Bohrium's atomic number is 107, which means every Bohrium atom has 107 protons in its nucleus.
- What is the electron configuration of Bohrium?
- The electron configuration of Bohrium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d5 (noble-gas shorthand: [Rn] 5f14 6d5 7s2). Its electrons are arranged in shells of 2, 8, 18, 32, 32, 13, 2, with 2 in the outermost shell.
- Is Bohrium a metal or a nonmetal?
- Bohrium is a metal: specifically a transition metal.
- What group and period is Bohrium in?
- Bohrium is in group 7 and period 7 of the periodic table.
- Is Bohrium a solid, liquid, or gas?
- At room temperature, Bohrium is a solid.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.