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OpenStudy (anonymous):
If you have one kilogram of radionuclide, how much will remain after one half-life has passed? Answer 900 g 750 g 500 g 250 g
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OpenStudy (anonymous):
after one half life, half of what you have should remain.
OpenStudy (anonymous):
so its 250?
OpenStudy (anonymous):
1 kilogram = 1000 grams...
OpenStudy (anonymous):
so no... it's not 250
OpenStudy (anonymous):
it 500
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