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Chpt.16 vocab

chapter 16 vocab

QuestionAnswer
radioactivity the process by which some nuclei give off nuclear radiation
mass number the sum of the numbers of protons and neutrons in the nucleus of an atom
isotopes are atoms that have the same number of protons as other atoms of the same element do but that have different numbers of neutrons
half-life the amount of time it takes one-half of the nuclei of a radioactive isotope to decay
nuclear fission the process by which a large nucleus splits into two small nuclei and releases energy
nuclear chain reaction a continuous series of nuclear fission reactions
nuclear fusion two or more nuclei that have small masses combine, or fuse, to form a larger nucleus
Created by: jblover41597
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