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Chemistry, 09.03.2021 01:40 xojade

The table shows the amount of radioactive element remaining in a sample over a period of time: What is the half-life of the element in hours?
Group of answer choices
a. 63 hours
b. 7 hours
c. 21 hours
d.14 hours


The table shows the amount of radioactive element remaining in a sample over a period of time: W

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