The half-life of 1311 is 8.04 days. (a) Convert the half-life to seconds. (b) Calculate the decay constant for this isotope. (c) Convert 0.560 uci to the SI unit the becquerel. Bq (d) Find the number of 131 nuclei necessary to produce a sample with an activity of 0.560 µCi. 1311 nuclei

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.