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Chapter 16/

Chapter 16

QuestionAnswer
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.
Created by: AmazinMan
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