dgjtgb dgjtgb
  • 19-05-2017
  • Chemistry
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Please Help I will reward brainliest

Please Help I will reward brainliest class=

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debbieperez2002
debbieperez2002 debbieperez2002
  • 20-05-2017
I think it is "Known".

Radioactive decay is measured using a formula where the half-life of an isotope is the time it takes for the original nuclei to decay half of its original amount.
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Lsaefung Lsaefung
  • 20-05-2017
Base in what I found online it would be unpredictable . Hope that helps!
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