AQA - higher radiation revision

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