Vocab Words

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Across
  1. 2. smallest part of a substances
  2. 4. amount of time it takes for Radioactivity of a specific isotope to fall half its original value
  3. 6. 2 or more forms of the same element that contains equal number of pros but different number of neutrons
  4. 7. emission of energy in the form of ionizing radiation
  5. 9. nucleus of an atom splits into 2 or more smaller nuclei
  6. 11. energy made from atoms splitting apart
  7. 12. a n unclear reaction with a nuclei that has a low atomic number fuse
Down
  1. 1. chemicals where the nucleus of the atom in unstable
  2. 3. reaction products promote or spread the reaction
  3. 5. center part of the atom containing the protons and neutrons
  4. 8. waste radioactive waste
  5. 10. electromagnetic waves moving subatomic particles
  6. 13. the center part of the atom containing protons and neutrons