Physical Science Chapter 11

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Across
  1. 4. reaction in which two smaller nuclei are joined to form a larger nucleus
  2. 6. the way a material reflects light
  3. 7. unstable element whose nucleus breaks down
  4. 8. isotope that releases radiation
  5. 9. reaction in which a large nucleus is split into smaller nuclei and energy is released
Down
  1. 1. energy and particles released from the nucleus of a radioactive element
  2. 2. uncontrolled series of fission reactions
  3. 3. elements that have different properties from metals
  4. 4. energy stored in the nucleus of the atom and released during a nuclear reaction
  5. 5. element that has properties of both metals and nonmetals