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chapter 16 sci.

chapter 16 flashcards

QuestionAnswer
what is radioactivity the giving off of particles or rays from the nuclei of some atoms
alpha decay giving off an alpha particle
alpha particle molecule made up from two protons and two neutrons
beta decay giving off a beta particle
beta particle an electron
gamma decay during an alpha decay or a beta decay energy is given off
gamma ray the energy that is given off in the form of light and have no mass or charge and creates no new element
half-life the time it takes half of the nuclei to decay
nuclear fission the process where one nuclei breaks down into two and releases energy
nuclear chain reaction a continuous series of nuclear fission reactions
Created by: Matt97science
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