# atomic number 2
## Noun (N)
### Sense: a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
- ก๊าซฮีเลียม
- ฮีเลียม
- เลขอะตอม 2