In contrast, the ratio and total quantity of stable atoms are defined by the half-life.Whatever the initial number of atoms, the percent of decrease is constant.They can determine the quantity of original carbon-14 by using the carbon-14 half-life of 5,730 years and the ratio of carbon-12 to carbon-14.
What is the rate of change of the radioactive atom number?
Since approximately half of the nuclei of each atom decay with each half-life, the number of radioactive atoms falls as the number of half-lives grows.
Amount has an impact on half-life?
A longer dose interval will result from a longer half-life, which is reliant on both clearance and volume of distribution. For example, a CYP1A2 or CYP2C19 substrate can cause a decrease in clearance.
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