In the nuclear reaction ${ }_{92} U^{238} \rightarrow {}_z T h^A+{ }_2 \mathrm{He}^4$, the values of A and Z are
Answer & explanation
Correct answer: option 2
A = 238 – 4 = 234 and Z = 92 – 2 = 90.
In the nuclear reaction ${ }_{92} U^{238} \rightarrow {}_z T h^A+{ }_2 \mathrm{He}^4$, the values of A and Z are
Correct answer: option 2
A = 238 – 4 = 234 and Z = 92 – 2 = 90.