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    Exam 19: The Nucleus: a Chemists View
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    Consider a Certain Type of Nucleus That Has a Half-Life
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Consider a Certain Type of Nucleus That Has a Half-Life

Question 67

Question 67

Multiple Choice

Consider a certain type of nucleus that has a half-life of 32 min.Calculate the percent of original sample of nuclides remaining after 2.5 hours have passed.


A) 96%
B) 40%
C) 6.9%
D) 3.9%
E) 3.2%

Correct Answer:

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