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Carbon 14 Dating Problems - Nuclear Chemistry & Radioactive Decay
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At any particular time all living organisms have approximately the same ratio of carbon 12 to carbon 14 in their tissues. Carbon is a key element in biologically important molecules. After 5, years, the amount of carbon 14 left in the body is half of the original amount. Therefore, by knowing the amount of 14C in fossil remains, you can determine how long ago an organism died by examining the departure of the observed 12C to 14C ratio from the expected ratio for a living organism. When finding the age of an organic organism we need to consider the half-life of carbon 14 as well as the rate of decay, which is —0. Solving radioactive. The stable form of carbon is carbon 12 and the radioactive isotope carbon 14 decays over time into nitrogen 14 and other particles. For older fossils, an isotope with a longer half-life should be used. Contact Us Radioactive dating practice problems with answers Class:
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