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12 cards from this deck
Time for half of unstable nuclei in a sample to decay
Decreases by half
Becquerels (Bq)
One decay per second
Random process
No - decay is random
Half (50%)
Half the original activity
One quarter (25%) of original
Time elapsed divdivdiv half-life period
rac{1}{16} of original
Find time for count to halve from initial value
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