The half-life of ²⁰F is 11 s. What fraction of a sample of ²⁰F will remain after 44 s have elapsed? A) 1/4 B) 1/16 C) 1/8 D) None of these

Name: The half-life of 20 F is 11 s. What fraction of a sample of 20 F will remain after 44 s have elapsed? A) 1/4 B) 1/16 C) 1/8 D) None of these
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Question

Quizplus · Accepted Answer

After 44 seconds, or 4 half-lives (44 s / 11 s per half-life), the fraction of the original sample of ²⁰F remaining would be (1/2)^4 = 1/16.

The Half-Life of 20F Is 11 S

The Half-Life of ²⁰F Is 11 S