| Answer | Crossword Clue |
|---|---|
| ANTI | Prefix with proton or particle |
| ANTI | Prefix with proton or ballistic |
| SUBATOMIC | .... particle: proton or neutron |
| ANTI | Prefix with particle |
| NANO | Prefix with particle |
| ION | Particle with a + or - |
| ION | Particle with a positive or negative charge |
