Carbon dating halflife
) is the time required for a quantity to reduce to half its initial value.
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If two nuclei have different masses, but the same atomic number, those nuclei are considered to be isotopes.Radiocarbon dates do not tell archaeologists exactly how old an artifact is, but they can date the sample within a few hundred years of the age.NGSS Guided Inquiry Explain about radiation and half-lives of isotopes.All three isotopes have the same atomic number of 6, but have different numbers of neutrons.
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Carbon-14 has 2 more neutrons than carbon-12 and 1 more than carbon-13, both of which are stable.
Carbon-14 is radioactive and undergoes radioactive decay.
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