A) \[5\alpha \] and \[5\beta \]
B) \[5\alpha \] and \[4\beta \]
C) \[5\alpha \] and \[3\beta \]
D) \[3\alpha \] and \[3\beta \]
Correct Answer: D
Solution :
Sol. Decrease in atomic number \[=92-89=3\] Decrease in mass number \[=232-220=12\] Hence, number of a-particles \[{{(}_{2}}H{{e}^{4}})\] \[=\frac{12}{4}=3\] Number of P-particles, \[=3\times 2-3=3\]
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