Across
- 2. chemical symbol of a very 'radiant' radioactive element discovered by Marie Curie
- 4. name of a radioactivity counter designer
- 6. what atomic radiation can do to particles
- 7. positive charge of an alpha particle
- 9. a possible effect of too high a radiation dose
- 11. this process splits atoms in a nuclear reactor releasing lots of energy
- 13. only stops alpha radiation
- 14. radioactive gas from minerals underground
Down
- 1. 1cm of it stops most beta radiation
- 3. particle with mass 1, an electric field has no effect on it
- 5. the first city in the world to be devastated by an atomic bomb
- 8. a chemical compound, used in medicine, in which one or more atoms have been replaced by a radioisotope
- 10. a good gamma emitter with a mass of 60 used in cancer treatment
- 12. any charged particle