carolynalee
carolynalee carolynalee
  • 26-05-2017
  • Chemistry
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A particular radioactive isotope has a half-life of 5.0 s. What fraction of the original amount of isotope will remain in a sample after 20.0 s?

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JavierCollante
JavierCollante JavierCollante
  • 26-05-2017
the answer is attached. let me know if you have questions about it
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