| Answer | Crossword Clue |
|---|---|
| atom | the smallest particle of an element |
| atoms | ATOM, the smallest particle of an element |
| isotone | a type of atom (the smallest particle of an element) |
| isotones | ISOTONE, a type of atom (the smallest particle of an element) |
| ATOM | Smallest particle of an element. |
| molecule | the smallest physical unit of an element |
| molecules | MOLECULE, the smallest physical unit of an element |
| pixel | the smallest element of an image in a video display system |
| atoms | the smallest unit of an element having the properties of that element |
| atom | the smallest unit of an element having the properties of that element |
| suboxide | the oxide of an element that contains the smallest proportion of oxygen |
