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Chapter 16/
Chapter 16
Question | Answer |
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Radioactivity | The process by which an unstable nucleus gives off nuclear radiation. |
Mass number | The sum of the numbers of protons and neutrons in the nucleus of an atom. |
Isotope | An atom that has the same number of protons (or the same atomic number) as other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass). |
Nuclear Fission | The splitting of the neucleus of a large atom into two or move fragments; relases additional neutrons and energy. |
Nuclear Chain Reaction | A continuous series of nuclear fission. |
Nuclear Fusion | The combination of the nuclei of small atoms to form a larger nucleus; releases energy. |