3. The isotope 212Bi has a half-life of 1.01 yr. What mass, in mg, of a 2.00 mg sample will remain after 3.75 x10³ hrs? a. First calculate the rate constant. b. Now use the initial mass to determine the mass after 3.75x103 hrs.

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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.