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aryaelfkind aryaelfkind
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2 weeks ago

Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood. How old is the charcoal? (The half-life of carbon-14 is 5730 years.)



less than 5730 yr



between 5730 and 11,460 yr



▸ between 11,460 and 17,190 yr

▸ more than 17,190 yr
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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micp3537micp3537
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