NUCLEAR REACTIONS Zinc-62 decays with a half-life of 9.186 hours. 1. Write the balanced nuclear reaction of Zn-62 as it undergoes electron capture. 2. Determine the decay constant of the radioactive decay of Zn-62. 3. How long does it take for a sample of Zn-62 to decay to 5.00 % of its original mass? After 12.80 days, a radioactive nuclide has passed through exactly five half-lives. The initial amount of the radioactive nuclide is 29.600 grams. 1. Compute for the remaining amount (in grams) of the radioactive nuclide after the given time. 2. Calculate the rate constant (in day 1) of the decay of the radioactive nuclide.

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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.