Nuclear Energy

3. Atoms of the same element with different numbers of neutrons.
8. A radioactive element used as fuel in nuclear reactors.
9. The process by which unstable atomic nuclei lose energy.
11. A high-energy electromagnetic radiation released during nuclear decay.
12. Mass The minimum amount of fissile material needed for a chain reaction.
14. The splitting of a heavy nucleus into smaller nuclei, releasing energy.
15. A self-sustaining sequence of nuclear fission events.
16. A device used to control nuclear reactions for energy production.

1. The process of combining atomic nuclei to release energy.
2. A device used in experimental nuclear fusion research.
4. A man-made radioactive element used in nuclear weapons.
5. A neutral particle that initiates fission in nuclear reactions.
6. A type of radioactive decay involving the emission of electrons or positrons.
7. Energy emitted from unstable atomic nuclei.
10. Rods Used in reactors to absorb neutrons and regulate fission.
13. The time taken for half of a radioactive substance to decay.