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OpenStudy (anonymous):
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OpenStudy (anonymous):
Radon-222 has a half-life of about 4 days. If we started with a sample of 16.8g Radon-222, how much would remain after 24 days? You MUST show your work to receive full credit. Carbon-14 has a half-life of 5.73 x 103 years, and is a common isotope to use when solving the age of items. If we have a sample of 0.682g C-14, and we know the original sample was 5.45g, how many years have passed? You MUST show your work to receive full credit.
OpenStudy (matt101):
See my answer here: http://openstudy.com/users/matt101#/updates/53912d64e4b0c4e31003c911
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