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Nuclear Reactions 9
| Term | Definition |
|---|---|
| fission | process of splitting a nucleus into several smaller nuclei; process used to produce nuclear power |
| fusion | two nuclei with low masses are combined to form one larger nucleus; occurs in the sun and stars |
| half life | amount of time it takes for half the nuclei in a sample of radioactive isotope to decay to a stable isotope |
| nuclear energy | energy converted from mass during a fission reaction |
| radioactivity | process of nuclear decay in which the nucleus can give off matter and energy |