After emission of one `alpha` particle followed by one `beta`-particle from `""_(92)^(238)X`, the number of neutrons in the atom will be

After the emission of one alpha - particle followed by two beta -particles from "" _(92) ^(238) U, the number of neutrons in the newly formed nucleus is

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___

After the emission of alpha -particle from the atom X_92^238 , the number of neutrons in the atom will be

After the emission of alpha -particle from the atom X_92^238 , the number of neutrons in the atom will be

Emission of a beta particle from an atom

A radioactive atom _(Y)^(X) M emits two alpha particles and one beta particle successively. The number of neutrons in the nucleus of the product will be

Assertion : After emission of one alpha -particle and two beta -particles, atomic number remains unchanged. Reason : Mass number changes by four.