1.

The radioactive decay of ""_(35)^(88)X by a beta-emission produces an unstable nucleus which spontaneously emits a neutron. The final product is :

Answer»

`""_(37)^(88)X`
`""_(35)^(89)Y`
`""_(34)^(88)Z`
`""_(36)^(87)W`

Answer :D


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