Across
- 2. The use of radioisotopes to diagnose and treat diseases
- 3. composite particles consisting of two protons and two neutrons tightly bound together
- 6. the amount of time it takes for half of a radioactive isotope/sample to decay
- 8. when neutrons from proceeding fission reaction then split more atoms and the fission continues like dominos
- 10. where fission is occurring at the nuclear power plant
- 12. elements passed number 92, which are synthetic
- 13. when one nucleus slams into another, creating a new nucleus
- 15. controlled fission is how we get ______.
Down
- 1. all of the forms of light
- 4. the spontaneous breakdown of unstable nuclei
- 5. when a nucleus splits into two daughter nuclei, and releases an excess of neutrons as well
- 7. when two smaller nuclei combine to form a larger one
- 9. a term for any type of light or fast moving particle that emanates outward in all directions
- 11. Used to treat thyroid disease
- 14. used as a coolant in a nuclear reactor
