Atomic number 15P
Phosphorus
ফসফরাস
- Reactive non-metal
- Group 15
- Period 3
- Atomic mass 30.974 u
- Solid
- Electrons per shell
- 2, 8, 5
- Electron configuration
- 1s2 2s2 2p6 3s2 3p3
- Nucleus
- 15 protons, 16 neutrons
- Valence electrons
- 5
Speed1×
- Group
- 15
- Period
- 3
- Block
- p-block
- Category
- Reactive non-metal
- State at 25 °C
- Solid