The equation shows a fission reaction: $\begin{array} { c }
235 \
92
\end{array}$ U + $\begin{array} { l }
1 \
0
\end{array}$ n ? $\begin{array} { l }
99 \
41
\end{array}$ 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: $\begin{array} { c } 
235 \
92
\end{array}$ U + $\begin{array} { l } 
1 \
0
\end{array}$ n ? $\begin{array} { l } 
99 \
41
\end{array}$ 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 an atomic number of 51 and a mass number of 133 to balance the equation.

The Equation Shows a Fission Reaction 23592\begin{array} { c } 235 \\92\end{array}23592​

The Equation Shows a Fission Reaction $\begin{array} { c } 235 \\92\end{array}$