| Answer | Crossword Clue |
|---|---|
| transuranium | of an element, having an atomic number greater than that of uranium also TRANSURANIAN |
| transuranian | of an element, having an atomic number greater than that of uranium also TRANSURANIUM |
| superheavy | Relating to or denoting an element with an atomic mass or atomic number greater than those of the naturally occurring elements, esp. one belonging to a group above atomic number 110 having proton/neutron ratios that in theory confer relatively long half-lives |
| transuranic | (of an element) Having a higher atomic number than uranium (92) |
| superheavy | having an atomic weight or number heavier than the heaviest known / a superheavy element |
