| Answer | Crossword Clue |
|---|---|
| subnuclear | Occurring in or smaller than an atomic nucleus |
| 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 |
| subnuclear | of, relating to, or being a particle smaller than the atomic nucleus |
| subatomic | Smaller than or occurring within an atom |
| transitions | abrupt change in energy state or level (as of an atomic nucleus or a molecule) usually accompanied by loss or gain of a single quantum of energy |
| bandbox | an area or structure that is smaller in dimensions or size than the standard. |
