Answered

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the half life of a given radioactive isotope is 5 minutes how many grams of 48 gram sample would remain after 20 minutes have elapsed?

Sagot :

zoz7

Answer:

3

Explanation:

the half life of a radioactive isotope is the amount of time one half of the isotope takes to decay

after 5 minutes the mass will be 24

after 10 minutes the mass will be 12

after 15 minutes the mass will be 6

after 20 minutes the mass will be 3

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