A) \[{}_{57}X{{e}^{142}}\]
B) \[{}_{54}X{{e}^{145}}\]
C) \[{}_{54}X{{e}^{143}}+3{}_{0}{{n}^{1}}\]
D) \[{}_{54}X{{e}^{141}}+{}_{0}{{n}^{1}}\]
Correct Answer: C
Solution :
Comparing both sides of the given fission reaction, we get\[{}_{92}{{U}^{235}}+{}_{0}{{n}^{1}}\to {}_{38}S{{r}^{90}}+{}_{54}X{{e}^{143}}\]\[+3{}_{0}{{n}^{1}}.\] Therefore the equation is balanced and option C is correct.
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