Nuclear Energy

1. The time required for half of something to undergo a process.
5. A form of electromagnetic radiation (EMR).
8. Energy that comes from a source and travels through space at the speed of light.
10. The energy released when these nuclei are split or combined.
11. An electron or positron that is thrown out from the nucleus of an atom during radioactive decay.
12. The total number of protons and neutrons in an atom.
13. A subatomic particle with a positive electrical charge.
14. Atoms are split apart, which releases energy.

2. Composite particles consisting of two protons and two neutrons tightly bound together.
3. A series of events in which each event causes the next one.
4. The total number of protons in the nucleus of an atom.
6. The process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy.
7. The particles in an atom that have a neutral charge.
9. Atoms with the same number of protons but different numbers of neutrons.