Nitrogen
Atomic symbol: N
Atomic number: 7
Atomic mass: 14.01
Appearance: colorless gas at 25°C
Group: 15
Period: 2
Series: Reactive nonmetal
Block: p
Electron configuration: 1s² 2s² 2p³
Nitrogen exists in all organisms and makes up about 78% of Earth’s atmosphere in its diatomic form.
Fun Fact! Nitrous oxide, N~2~0, otherwise known as laughing gas, is formed when nitrogen bonds to oxygen.
https://en.wikipedia.org/wiki/Nitrogen
https://www.sciencekids.co.nz/sciencefacts/chemistry/nitrogen.html