The equation shows a fission reaction: 235
92 U + ${}^{1}_{0}$ n → ${}^{99}_{41}$ Nb + X + 4 $\begin{array} { l }
1 \
0
\end{array}$ n What is the missing term X in the equation?

Question

The equation shows a fission reaction: 235 
92 U + ${}^{1}_{0}$ n → ${}^{99}_{41}$ Nb + X + 4 $\begin{array} { l } 
1 \
0
\end{array}$ n What is the missing term X in the equation?

Quizplus · Accepted Answer

The sum of atomic numbers and mass numbers must be equal on both sides of the equation. The missing term X must have a mass number of 133 and an atomic number of 51 to balance the equation.

The Equation Shows a Fission Reaction: 235 92 U 01{}^{1}_{0}01​

The Equation Shows a Fission Reaction: 235
92 U ${}^{1}_{0}$