A) 4
B) 6
C) 2
D) 1
Correct Answer: D
Solution :
Number of \[\alpha -\]particles emitted \[=\frac{238-222}{4}=4\] This decreases atomic number to \[90-4\times 2=82\] Since atomic number of \[_{83}{{Y}^{222}}\]is 83, this is possible if one \[\beta -\]particle is emitted.You need to login to perform this action.
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