| Answer | Crossword Clue |
|---|---|
| GASEOUS | Like neon or nitrogen |
| GASEOUS | Like nitrogen and neon |
| GAS | Neon or nitrogen |
| GAS | Nitrogen or neon |
| INERT | Like neon or krypton |
| INERT | Like neon or argon |
| INERT | Like neon or helium |
| INERT | Like Freon or neon |
| INERT | Like neon or radon |
| INERT | Like argon or neon. |
| INERT | Like neon or xenon |
| INERT | Like argon or neon |
| INERT | Like xenon or neon |
| INERT | Like helium or neon |
| cyanogenic | of or like a cyanogen, a compound of carbon and nitrogen, forming a colourless poisonous gas with an almond-like odour |
