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CK-12 MS_Earth Science (11.3 Absolute Age of Rocks

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Terms in this set (6)

actual age of a rock or fossil in years

carbon-14 dating

method of radiometric dating based on the decay of the radioactive isotope of carbon known as carbon-14

rate of decay of a radioactive isotope, equal to the time it takes for one-half of an original amount of the isotope to decay

atom of an element with a different number of neutrons than other atoms of the same element

radioactive decay

breakdown of unstable elements into stable elements

radiometric dating

use of radioactive decay to estimate the absolute age of a fossil or rock