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Title: How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life ... Post by: agilleland on Jan 21, 2018 How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life of 10 years? (1 curie = 3.7 1010 decays/s)
a. 9.5 1012 atoms b. 8.4 1012 atoms c. 7.3 1012 atoms d. 6.5 1012 atoms e. 2.7 105 atoms Title: How many radioactive atoms are present in a sample that has an activity of 0.5 mCi and a half-life ... Post by: juliaguay on Jan 21, 2018 Content hidden
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