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Krypton-85 Has a Half-Life of 10 Years

Question 144

Multiple Choice

Krypton-85 has a half-life of 10 years. Identify the percentage of Kr-85 produced from the Chernobyl accident in 1986 that still remains radioactive in 2010.


A) 25 %
B) 12 %
C) 6 %
D) 3 %

Correct Answer:

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