Tritium, the hydrogen isotope of mass 3, has a half-life of 12.3 y. What fraction of the tritium atoms remains in a sample after 50.0 y?
Tritium, the hydrogen isotope of mass 3, has a half-life of 12.3 y. What fraction of the tritium atoms remains in a sample after 50.0 y?
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Transcribed Image Text:Tritium, the hydrogen isotope of mass 3, has a half-life
of 12.3 y. What fraction of the tritium atoms remains in a
sample after 50.0 y?
Expert Solution
Concept and Principle:
- Not all combinations of neutrons and protons are stable. When there are too less or too many neutrons the nucleus becomes unstable. They become stable by undergoing radioactive decay.
- This radioactive decay of an unstable nucleus is exponential in nature. It is given by,
Here N0 is the original number of radioactive nuclei present, λ is the decay constant, and t is the time.
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