We ended with 15 grams of Xenon-131 and 3 half lives have passed. a. What element was it originally? (What was its radioactive

Question

We ended with 15 grams of Xenon-131 and 3 half lives have passed.
a. What element was it originally? (What was its radioactive version)
b. How much of this radioactive element did we originally have? (Hint: This was Beta decay)

Kunduz · Accepted Answer

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