Carbon 14 dating used determine age object

15 Nov

So, if you know the radioactive isotope found in a substance and the isotope's half-life, you can calculate the age of the substance. Well, a simple explanation is that it is the time required for a quantity to fall to half of its starting value.

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Once the plant matter containing carbon-12 and carbon-14 dies, the equilibrium is no longer maintained.

Carbon-12 is stable, but carbon-14 is radioactive, decaying with a half-life of 5730 years.

Free 5-day trial Radiometric dating is used to estimate the age of rocks and other objects based on the fixed decay rate of radioactive isotopes.

Learn about half-life and how it is used in different dating methods, such as uranium-lead dating and radiocarbon dating, in this video lesson. As we age, our hair turns gray, our skin wrinkles and our gait slows.