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    Exam 19: Radioactivity and Nuclear Chemistry
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    If We Start with 1
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If We Start with 1

Question 34

Question 34

Multiple Choice

If we start with 1.000 g of strontium-90, 0.8444 g will remain after 7.00 y. This means that the If we start with 1.000 g of strontium-90, 0.8444 g will remain after 7.00 y. This means that the   of strontium-90 is ________ y. A)  5.91 B)  8.29 C)  23.7 D)  4.10 E)  28.7 of strontium-90 is ________ y.


A) 5.91
B) 8.29
C) 23.7
D) 4.10
E) 28.7

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