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Chey's vocab cards

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QuestionAnswer
radioactivity the property possessed by some elements
mass number an integer that approximates the mass of an isotope and designates the number of nucleons in the nucleus
isotopes any of two or more species of atoms of a chemical element
beta decay a radioactive nuclear transformation governed by the weak force
gamma rays a photon emitted spontaneously by a radioactive substance
alpha particles a positively charged nuclear particle
radiation sickness sickness that results from exposure to radiation
Created by: ShyChica
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