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If you start with 100 grams of radioactive carbon, and 50 grams remain after 5730 years, what is the half-life of the isotope?
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If you start with 100 grams of radioactive carbon, and 50 grams remain after 5730 years, what is the half-life of the isotope?
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Jul 25, 2018
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If you start with 100 grams of radioactive carbon, and 50 grams remain after 5730 years, what is the half-life of the isotope?
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Elad Shechter
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The isotope has a half-life of 5730 years.
In 5730 years, the isotope (Carbon-14, to be more exact) will lose 50% of its mass, meaning that in 11460 years, 25 grams of Carbon-14 will remain.
David Douglas
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Jul 30, 2018
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