| Answer | Crossword Clue |
|---|---|
| INERT | Adjective for argon or neon |
| INERT | Adjective for neon or argon. |
| RAREGAS | Neon or argon |
| GAS | Neon or argon |
| GAS | Argon or neon |
| ELEMENT | Argon or neon |
| INERT | Argon or neon |
| INERT | Like argon or neon |
| INERT | Like argon or neon. |
| INERT | Like neon or argon |
| NOBLEGAS | Neon, argon, or xenon |
