Atomic Number
107
Element 107
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 Mass
270 u
Category
Transition Metal
Period
7
Group
Group 7: manganese group
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
Why Bohrium Matters
Bohrium helps connect atomic number 107, transition metal behavior, period 7 trends, and electron shell structure. Its solid phase, atomic mass of 270 u, and electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁵ make it useful for comparing bonding patterns across the periodic table.
Discovery and Occurrence
Bohrium was discovered 1981 by Peter Armbruster, Gottfried Munzenberg. 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.
Safety and Handling Context
Bohrium has radioactive isotopes or is commonly discussed with radioactive materials. Use this page as an educational reference; real samples require qualified supervision and controlled handling.
Related Elements
Frequently Asked Questions
- What is the atomic number of Bohrium?
- Bohrium has atomic number 107, which means a neutral atom has 107 protons and 107 electrons.
- What is the chemical symbol for Bohrium?
- The chemical symbol for Bohrium is Bh.
- What category is Bohrium in?
- Bohrium is classified as a transition metal and sits in period 7 of the periodic table.
Explore Bohrium in 3D
Use the interactive table above to rotate atomic models, compare periodic trends, and move from Bohrium to neighboring elements without losing your place.