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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

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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