Carbon dating formula derivation

20-Jun-2017 19:59

Because of radioactivity, the fraction of rubidium-87 decreases from an initial value of 100% at the time of formation of the mineral, and approaches zero with increasing number of half lives.At the same time, the fraction of strontium-87 increases from zero and approaches 100% with increasing number of half-lives.

carbon dating formula derivation-10

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We designate a specific group of atoms by using the term "nuclide." A nuclide refers to a group of atoms with specified atomic number and mass number.

The corresponding half lives for each plotted point are marked on the line and identified.