| Answer | Crossword Clue |
|---|---|
| NEON | Element found in Geiger counters |
| NEON | Element in Geiger counters |
| NEON | Element used in Geiger counters |
| NEON | Gas found in Geiger counters |
| COBALT | Element found in meteors |
| SELENIUM | Element found in walnuts |
| MAGNESIUM | Element found in flashbulbs |
| NEON | Element found in none |
| CESIUM | Element found in photoelectric cells |
| CARBON | Element found in cast iron |
| IRIDIUM | Element often found in meteorites |
| IODINE | Element found in the medicine cabinet |
