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Whelan Whelan
wrote...
Posts: 3158
9 years ago
Which is more dangerous in terms of short-lived exposure to radiation? One mole of
A) 83Sr, β-, t1/2 = 1.35 days.
B) 90Sr, β-, t1/2 = 28.5 years.
C) 80Sr, β-, t1/2 = 1.77 hours.
D) 94Sr, β-, t1/2 = 74 seconds.
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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Posts: 3076
9 years ago
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Whelan Author
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2 hours ago
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