Atomic number 103Lr
Lawrencium
লরেনসিয়াম
- Actinide
- Period 7
- Atomic mass [266] u
- Solid
- Electrons per shell
- 2, 8, 18, 32, 32, 8, 3
- Electron configuration
- [Rn] 5f14 7s2 7p1
- Nucleus
- 103 protons, 163 neutrons
Speed1×
- Group
- None (f-block)
- Period
- 7
- Block
- f-block
- Category
- Actinide
- State at 25 °C
- Solid