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    Exam 2: Atomic Structure and Radioisotopes
  5. Question
    Iodine-131 Has a Half-Life of 8 Days
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Iodine-131 Has a Half-Life of 8 Days

Question 84

Question 84

Multiple Choice

Iodine-131 has a half-life of 8 days.How many half-lives have passed after 24 days?


A) 1 half-life
B) 2 half-lives
C) 3 half-lives
D) 4 half-lives
E) 5 half-lives

Correct Answer:

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