| Answer | Crossword Clue |
|---|---|
| UREY | Discoverer of deuterium |
| UREY | Deuterium discoverer |
| UREY | Deuterium discoverer Harold |
| OXIDE | Deuterium ... (heavy water) |
| ISOTOPES | Deuterium and tritium |
| NEUTRON | Deuterium has one |
| ISOTOPE | Deuterium, for one |
| ISOTOPES | Deuterium and tritium, to hydrogen |
| ISOTOPEKAPUT | Deuterium has deteriorated in Kansas? |
| UREY | U.S. chemist who discovered deuterium |
