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It then takes the same amount of time for half the remaining radioactive atoms to decay, and the same amount of time for half of those remaining radioactive atoms to decay, and so on.

The amount of time it takes for one-half of a sample to decay is called the half-life of the isotope, and it’s given the symbol: It’s important to realize that the half-life decay of radioactive isotopes is not linear.

Most scientists and many Christians believe that the radiometric dating methods prove that the earth is 4.5 billion years old.

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This listing only shows those albums by this artist that appear in at least one chart on this site.

If an album is 'missing' that you think deserves to be here, you can include it in your own chart from the My Charts page!

Carbon-14 (C-14), a radioactive isotope of carbon, is produced in the upper atmosphere by cosmic radiation.