| 100% | NEON | 4 | Element found in Geiger counters |
| 68% | NEON | 4 | Element in Geiger counters |
| 57% | MAGNESIUM | 9 | Element found in flashbulbs |
| 57% | IRON | 4 | Element found in meteors |
| 57% | IODINE | 6 | Element found in seaweed |
| 57% | IRON | 4 | Element found in hemoglobin |
| 56% | SILICON | 7 | Element found in computer chips |
| 55% | IRON | 4 | Element found in red blood cells |
| 55% | ZINC | 4 | Element found in gunmetal and brass |
| 55% | CARBON | 6 | Element found in most organic material |
| 54% | TIN | 3 | Metallic element found in bronze |
| 54% | IRON | 4 | Metallic element found in meteorites |
| 53% | NEON | 4 | Chemical element found in glowing signs |
| 51% | CARBON | 6 | Chemical element found in all plants and animals |
| 51% | CARBON | 6 | Chemical element found in the Sun, stars & comets |
| 51% | ZINC | 4 | Chemical element found in many immune-boosting supplements |
| 50% | HYDROGEN | 8 | One of the elements found in water, not oxygen |
| 50% | THEBOMB | 7 | Element found three times in this puzzle |
| 50% | RADIATION | 9 | What a geiger counter finds |
| 49% | IRON | 4 | "Fe," to a chemist, and the element found in dried 42a |
| 45% | AEIOU | 5 | Elements found once each in 1-, 15-, 57-, 62-Across, and 30-Down |
| 44% | HELIUM | 6 | Second periodic table element, found in balloons |
| 42% | TIN | 3 | Element that's found in the alloy pewter |
| 40% | ARGON | 5 | Element whose name is found in FARGO, ND |
| 39% | CARBON | 6 | Abundant element that's found in diamonds |
| 39% | MERCURY | 7 | Toxic element that's found in fish |
| 38% | DELI | 4 | Counter in the grocery store where one can find ham, salami, pepperoni, and other assorted meats |
| 38% | BETARAY | 7 | Geiger counter detection |
| 38% | RAD | 3 | Geiger counter unit |
| 38% | LACUSTRINE | 10 | Found in lakes |