Carbon 14 dating interesting facts
Radiocarbon dating works by comparing the three different isotopes of carbon.Isotopes of a particular element have the same number of protons in their nucleus, but different numbers of neutrons.
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By measuring the ratio of the radio isotope to non-radioactive carbon, the amount of carbon-14 decay can be worked out, thereby giving an age for the specimen in question.
While the lighter isotopes C has decayed that what remains can no longer be measured. In 5,730 years half of the C in the atmosphere, and therefore in plants and animals, has not always been constant.
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