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12 cards from this deck
Unstable atoms breaking down through radioactive decay
Alpha particles, beta particles, gamma rays
Helium nuclei
High-speed electrons
Electromagnetic radiation (energy only)
Mass and charge must be conserved
Decreases by 4
Decreases by 2
No change (stays the same)
Increases by 1
Changes into a proton (and an electron is emitted)
4He2^{4}He_{2}4He2 or 4α2^{4}\alpha_{2}4α2
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