Atomic number 12Mg
Magnesium
ম্যাগনেসিয়াম
- Alkaline earth metal
- Group 2
- Period 3
- Atomic mass 24.305 u
- Solid
- Electrons per shell
- 2, 8, 2
- Electron configuration
- 1s2 2s2 2p6 3s2
- Nucleus
- 12 protons, 12 neutrons
- Valence electrons
- 2
Speed1×
- Group
- 2
- Period
- 3
- Block
- s-block
- Category
- Alkaline earth metal
- State at 25 °C
- Solid