Nitrogen (Symbol: N, Atomic number: 7) is a non-metal element discovered in 1772. It belongs to period 2 and group 15 of the periodic table. It is the most abundant element on earth, making up about 78% of our atmosphere and 3% of the human body by mass. Nitrogen exists in gaseous form as N2 at room temperature.
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| Term | Full Form | Category |
|---|---|---|
| (N) | thumbs down (MSN Messenger) | Others |
| N | N connector | Others |
| N | Nada | Others |
| N | Naked | Others |
| N | Nano | Others |