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In the given nuclear reaction A, B, C, D...

In the given nuclear reaction `A, B, C, D, E` represents `._92 U^238 rarr^(alpha) ._BTh^A rarr^(beta) ._D Pa^C rarr^(E) ._92 U^234`.

A

`A=234, B=90, C=234, D=91, E-beta`

B

`A=234, B=90, C=234, D=94, E=alpha`

C

`A=238, B=93, C=234, D=91, E=beta`

D

`A=234, B=90, C=234, D=93, E=alpha`

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A
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