Nitrogen-13 ( N) is a radionuclide that decays by positron emission ( e) to carbon-13 (
Chapter 19, Problem 39(choose chapter or problem)
Nitrogen-13 ( N) is a radionuclide that decays by positron emission ( e) to carbon-13 ( C) with a half-life very close to 10 minutes. If we begin with a sample containing 100 micrograms of nitrogen-13, how much N-13 will remain after a period of two half-lives?
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