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15 cards from this deck
Same number of protons
Same number of electrons and protons
Atoms of same element with different masses
Same protons, different neutrons
Number of protons + neutrons
Number of protons
Negative (−N-N−N) charge
Positive (+N+N+N) charge
One or two
Ionising radiation from nucleus
Radioactive decay
Rate at which unstable nuclei decay
Becquerel (Bq); 1 decay per second
Geiger-Muller tube
Totally random process
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