Honsab9riRaleii
Honsab9riRaleii Honsab9riRaleii
  • 28-12-2016
  • Chemistry
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If you have one kilogram of radionuclide, how much will remain after one half-life has passed?

900 g

750 g

500 g

250 g

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MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 29-12-2016
If we start with 1 kg or 1000 g of radionuclide, after one half-life has passed, one-half of the original amount of radionuclide will remain. Therefore, 500 g of the radionuclide will remain. The half-life is the time it takes for a radioactive substance to decay to half its initial amount.
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