Chapter 10 Ayden Gleckler

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Across
  1. 5. minimum amount of fissionable material to create a chain reaction
  2. 6. a self-sustaining reaction in which the products of one event stimulate other events
  3. 8. the time it takes for half the original quantity of an element to decay
  4. 9. radiation in the form of an electron
Down
  1. 1. splitting of atoms
  2. 2. type of radiation that is in the form of a helium atom
  3. 3. the process in which unstable atomic nuclei transform and emit radiation
  4. 4. combining atoms
  5. 7. extremely dangerous radiation