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.
107
Atomic Number
270
Atomic Mass (u)
37.1
Density (solid: g/cm³, gas: g/liter)
7
Number of Shells
2, 8, 18, 32, 32, 13, 2
Electron Shell Occupations