Chapter 10 Crossword By: Jacob Blanchard

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Across
  1. 3. A self-sustaining reaction in which the products of one reaction event stimulate further reaction events.
  2. 4. The minimum mass of fissionable material in a reactor or nuclear bomb that will sustain a chain reaction.
  3. 5. The combination of nuclei of light atoms to form heavier nuclei with the release of much energy.
  4. 7. The type of radiation that carries no electric charge
  5. 9. The process in which unstable atomic nuclei transform and emit radiation.
  6. 10. The type of radiation that carries a negative electric charge.
Down
  1. 1. The time required for half of an original quantity of an element to decay.
  2. 2. changing of one chemical element into another.
  3. 6. The type of radiation that carries a positive electric charge.
  4. 8. The half-life of ______-14 is about 5730 years.