| Answer | Crossword Clue |
|---|---|
| GAS | Neon or nitrogen |
| GAS | Nitrogen or neon |
| GASEOUS | Like neon or nitrogen |
| GASES | Neon and nitrogen |
| GASEOUS | Like nitrogen and neon |
| GAS | Nitrogen or helium |
| NONMETAL | Nitrogen or carbon |
| GAS | Hydrogen or nitrogen. |
| ELEMENT | Nitrogen or oxygen |
| GGQY | Element number 26: iodine or (contrarily) nitrogen (4) |
