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15 cards from this deck
Same element, same number of protons, different number of neutrons
Same number of protons
Protons
Number of protons + neutrons
Number of protons
−N-N−N charge
+N+N+N charge
Unstable nucleus gives out radiation to become stable
Totally random
Rate at which unstable nuclei decay
Becquerel (Bq)
1 decay per second
Geiger-Muller tube
Number of decays recorded each second
How easily radiation causes atoms to lose electrons, creating positive ions
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