Radioactivity

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Across
  1. 2. What particle has a fast moving electron?
  2. 4. What material stops beta particles?
  3. 7. What particle is produced by in the process of alpha decay? _e_ _ _ m/_ _ _l_ _ _
  4. 10. What disease can be treated using gamma radiation?
Down
  1. 1. What level of waste is often solidified into concrete before it can be stored?
  2. 3. A high frequency electromagnetic radiation
  3. 5. What piece of equipment is used to measure radiation?
  4. 6. What is the type of radiation can be stopped by the thinnest substance?
  5. 8. What is the process called where the atoms/molecules are turned into charged particles?
  6. 9. What material is needed to stop gamma radiation waves?