The correct answer is: a) A nucleus with a large mass will be on the left side, and there will be neutrons in the equation.
In a nuclear fission reaction, a heavy nucleus like uranium-235 is split into two lighter nuclei (fission products) and several neutrons are released as well. The equation for a typical nuclear fission reaction for uranium-235 is:
U-235 + n -> Ba-141 + Kr-92 + 3n + energy
In this reaction, the uranium-235 nucleus with a large mass is on the left side of the equation, and neutrons are present on both sides.
Nuclear reactions can be written out in equation form. When looking at equations, how can you identify a reaction as a fission reaction? Use the equation of the nuclear fission reaction below to help choose the correct answer.
a
A nucleus with a large mass will be on the left side, and there will be neutrons in the equation.
b
A nucleus with a large mass will be on the left side, and there will be electrons in the equation.
c
A nucleus with a large mass will be on the right side, and there will be electrons in the equation.
d
A nucleus with a large mass will be on the right side, and there will be neutrons in the equation.
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