Biology, 20.11.2020 03:50 tassion3

What is the percentage of a 200 gram sample of Nitrogen-16 that decays to 12.5 grams in 21.6 seconds?

25%
100%
6.25%
12.5%

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What is the percentage of a 200 gram sample of Nitrogen-16 that decays to 12.5 grams in 21.6 second...