Atomic number 27Co
Cobalt
কোবাল্ট
- Transition metal
- Group 9
- Period 4
- Atomic mass 58.933 u
- Solid
- Electrons per shell
- 2, 8, 15, 2
- Electron configuration
- [Ar] 3d7 4s2
- Nucleus
- 27 protons, 32 neutrons
Speed1×
- Group
- 9
- Period
- 4
- Block
- d-block
- Category
- Transition metal
- State at 25 °C
- Solid