How would you go about the solving this?
The fission of plutonium reaction is written as follows. One neutron combines with Pu-239 on the left side of the reaction. The products on the right side are one atom of xenon-134
(Xe-134), 3 neutrons, and an atom of one other element labeled here with the symbol “Q”. Identify “Q” and calculate its values of “A” and “N”.