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13 cards from this deck
Number of protons
Total protons + neutrons in nucleus
Total mass number and atomic number
2 protons and 2 neutrons
Decreases by 4
Decreases by 2
Neutron turns into proton
Increases by 1
No change (stays the same)
Proton turns into neutron
Decreases by 1
No, mass & atomic numbers stay the same
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