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A sample contains 200 grams of a radioactive isotope who's half-life is 700 years. How much is left after 2,100 years?
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Sep 1, 2023
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A sample contains 200 grams of a radioactive isotope who's half-life is 700 years. How much is left after 2,100 years?
Chemistry
high-school
Johny Skovdal
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Answer: 25g
Explication:
Sample= 200g
t 1/2= 700 years
t= 2100 years
200g—> 100g—>50g—>25g
0y—> 700 y–> 1400 y—> 2100y
Turtaru
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Sep 4, 2023
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Turtaru
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