Across
- 5. one radioactive nucleus breaking down
- 9. you find fission happening in ___ ___
- 11. gamma ____ take pictures of internal organs
- 12. you find fusion happening in the ___
- 13. the most penetrating type of radiation is
- 14. two small nuclei combining together
- 15. radioactive ____ used to follow flow on substances through an organ
- 17. type of radiation, fast moving electron
Down
- 1. how good something is at getting through materials
- 2. used as a radioactive tracer - emits gamma, half life of 8 days
- 3. time it takes for half of the radioactive atoms to decay
- 4. how good something is at turning atoms into ions
- 6. radioactive ___ placed inside the body to destroy cancer cells over time
- 7. radioactive atoms have an ______ nucleus
- 8. we want radioactive tracers to have ___ products
- 10. gamma ___ used to destroy tumors, often multiple smaller ones
- 16. type of radiation, two protons and two neutrons