Crossword clues for very light, inert gas.
| Answer | Clue |
|---|---|
| HELIUM | Very light, inert gas. |
| ARGON | Inert gas in light bulbs |
| XENON | Inert gas used in lights |
| Answer | Clue |
|---|---|
| HELIUM | Very light, inert gas. |
| ARGON | Inert gas in light bulbs |
| XENON | Inert gas used in lights |