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Protactinium-234 (""(91)^(234)Pa) decays...

Protactinium-234 `(""_(91)^(234)Pa)` decays to `""_(92)^(234)U` with the emission of :

A

`alpha`-particle

B

`beta`- particle

C

`lambda`-ray

D

positron.

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The correct Answer is:
B
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