| Answer | Crossword Clue |
|---|---|
| GASEOUS | Like certain elements. |
| METALS | Certain elements. |
| GASES | Certain elements. |
| METEORS | Elements of certain showers |
| METALLIC | Like some elements |
| NOBLE | Like the rightmost elements |
| INERT | Like some gaseous elements |
| INERT | Like group 18 elements |
| INERT | Like some gas elements |
| NULL | Like sets with no elements |
| HEAVIEST | Like radon among all gaseous elements |
| OVERDONE | Like some soap opera plot elements |
| INERT | Like the elements on the far right of the periodic table |
