# atomic number 7
## Noun (N)
### Sense: a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
- ก๊าซไนโตรเจน
- เลขอะตอม 7
- ไนโตรเจน