Atomic number 5B
Boron
বোরন
- Metalloid
- Group 13
- Period 2
- Atomic mass 10.810 u
- Solid
- Electrons per shell
- 2, 3
- Electron configuration
- 1s2 2s2 2p1
- Nucleus
- 5 protons, 6 neutrons
- Valence electrons
- 3
Speed1×
- Group
- 13
- Period
- 2
- Block
- p-block
- Category
- Metalloid
- State at 25 °C
- Solid