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    General Chemistry Principles
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    Exam 25: Nuclear Chemistry
  5. Question
    What Percentage of a Radioactive Substance Remains After 7
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What Percentage of a Radioactive Substance Remains After 7

Question 85

Question 85

Multiple Choice

What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?


A) 0.391%
B) 0.78%
C) 1.56%
D) 3.12%

Correct Answer:

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