1.

In the nuclear transmutation : ._(4)^(9) Be + X rarr _(4) ^(8) Be +Y (X,Y) is (are)

Answer»

`(gamma, n)`
`(p, D)`
(n, D)
`(gamma, p)`

Solution :`""_(4)^(9)Be + ""_(B)^(a)X rarr ""_(4)^(8)Be + ""_(d)^(c )Y`
`4+b=4+d` gamma`- ""_(0)^(0)gamma`
`9+a=8+C`, deutorium `-""_(1)^(2)D`
proton `-""_(1)^(1)p`


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