• Radioactive decay involves the emission of a particle and/or energy as one atom changes into another.
  • There are four different types of emissions that occur.
  • Alpha decay involves release of helium ions from the nucleus of an atom.
  • Beta decay involves transformation of a neutron in the nucleus to a proton and an electron.
  • gamma radiation is a form of energy release that may be released by itself or more commonly in association with other radiation events.
  • The composition of the atom is not altered, but the nucleus could be considered more “comfortable” after the shift.
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