21. Nuclear Chemistry
Radioactive Half-Life
5:16 minutes
Problem 54b
Textbook Question
Textbook QuestionA mammoth skeleton has a carbon-14 decay rate of 0.48 disintegration per minute per gram of carbon (0.48 dis>min # g C). When did the mammoth live? (Assume that living organisms have a carbon-14 decay rate of 15.3 dis>min # g C and that carbon- 14 has a half-life of 5715 yr.)
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