Answered: gram of caesuim (55 Cs) decays by… | bartleby

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gram of caesuim (55 Cs) decays by B-emission with
a half life of 30 years. (a) Name the resulting iso-
tope. (b) Write the equation of decay. (c) If the initial
activity of caesuim is 1.0 millicurie (mCi), what is its
activity after 60 years.
137
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