Nuclear Chemistry

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Across
  1. 5. material that can stop gamma radiation
  2. 7. the penetrating rays and particles emitted by a radioactive source
  3. 9. atom of the same element that has a different number of neutrons
  4. 11. element named after Marie Curie's home country
  5. 12. this element can be used to date once-living items
  6. 13. Two smaller nuclei combining to form a heavier, more stable nucleus
  7. 14. element resulting from uranium undergoing alpha decay
Down
  1. 1. an isotope that is radioactive
  2. 2. The decay in which a helium nucleus is emitted
  3. 3. Material that can stop alpha particles
  4. 4. The element resulting from Astatine going through beta decay
  5. 6. Larger Nucleus splitting apart into two smaller nuclei
  6. 8. last name of the scientist who discovered two radioactive elements
  7. 10. this element can be used to date inorganic items