After the emission of an alpha - particle from the atom ""_(92)^(238) – InterviewSolution

1.	After the emission of an alpha - particle from the atom ""_(92)^(238) X , the number of neutrons in the atom will be xyz , Y is___
Answer» SOLUTION :`""_(92) X^(238) to ""_(2) He^(4) + ""_(90) Y^(234) , N = 234 - 90 = 144`

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