atium-90, ause of it: alf-life ot

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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4. Strontium-90, is a radioactive decay product of nuclear fallout from nuclear weapons testing
.Because of its chemical similarity to calcium, it is incorporated into the bones if present in food.
The half-life of of strontium-90 is 28.1 years. What is the decay constant of this isotope? What
is the activity of a sample containing 5.2 ng (5.2 x 10°° g) of strontium -90?
Transcribed Image Text:4. Strontium-90, is a radioactive decay product of nuclear fallout from nuclear weapons testing .Because of its chemical similarity to calcium, it is incorporated into the bones if present in food. The half-life of of strontium-90 is 28.1 years. What is the decay constant of this isotope? What is the activity of a sample containing 5.2 ng (5.2 x 10°° g) of strontium -90?
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