| Answer | Crossword Clue |
|---|---|
| ATOM | Item for Bohr |
| ATOM | Item studied by Niels Bohr |
| ATOM | Item of interest to Niels Bohr |
| ATOM | Subject for Bohr |
| ION | Particle for Bohr |
| ATOM | Particle for Bohr |
| DANE | Niels Bohr, for one |
| DANE | Niels Bohr, for instance. |
| ATOM | Focus of study for Niels Bohr |
