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isotope is converted into another specific atom or isotope at a constant and known rate.Most elements exist in different atomic forms that are identical in their chemical properties but differ in the number of neutral particles— neutrons—in the nucleus.The situation is analogous to the death rate among human populations insured by an insurance company.Even though it is impossible to predict when a given policyholder will die, the company can count on paying off a certain number of beneficiaries every month.

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If you are interested in learning more about Emerge Miami, you are invited to our weekly meetings, hosted on Tuesday evenings at 7pm by Sweat Records (Fortunately for geochronology the study of radioactivity has been the subject of extensive theoretical and laboratory investigation by physicists for almost a century.The results show that there is no known process that can alter the rate of radioactive decay.In fact, one would expect that the ratio of oranges to apples would change in a very specific way over the time elapsed, since the process continues until all the apples are converted. A particular rock or mineral that contains a radioactive isotope (or radio-isotope) is analyzed to determine the number of parent and daughter isotopes present, whereby the time since that mineral or rock formed is calculated.Of course, one must select geologic materials that contain elements with long half-lives— those for which some parent atoms would remain.

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