Multiple Choice
Actinium-225 has a half-life of 10 days. Suppose we have an initial amount of 100 grams of actinium-225. How much would be present after 30 days?
A) 50 grams
B) 33.3 grams
C) 25 grams
D) 12.5 grams
Correct Answer:
Verified
Correct Answer:
Verified
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