| Answer | Crossword Clue |
|---|---|
| ISOTOPES | Deuterium and tritium |
| ISOTOPES | Deuterium and tritium, to hydrogen |
| RARE | Like tritium and triplets |
| ISOTOPES | Protium and tritium, e.g. |
| triton | positively-charged particle consisting of a proton and two neutrons, equivalent to the nucleus of an atom of tritium |
| tritons | positively-charged particle consisting of a proton and two neutrons, equivalent to the nucleus of an atom of tritium |
