107Bh270.133
Bohrium
Transition Metal
Solid at STP
Period 7Group 7Block DDiscovered 1976
[Rn]7s2 5f14 6d5
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.
📖 Read more on Wikipedia →Atomic Properties
| Atomic Number | 107 |
| Atomic Mass | 270.133 u |
| Electron Configuration | [Rn]7s2 5f14 6d5 |
| Oxidation States | 7, 5, 4, 3 |
| Block | D |
Physical Properties
| Standard State | Solid |
| CPK Color | #E00038 |
Classification
| Category | Transition Metal |
| Group Block | Transition metal |
| Period | 7 |
| Group | 7 |
| Block | D |
Discovery
| Year Discovered | 1976 |
| Discovered By | Gesellschaft für Schwerionenforschung |
| Electron Shells | 2, 8, 18, 32, 32, 13, 2 |