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Atomic mass number of an element is 232 ...

Atomic mass number of an element is `232` and its atomic number is `90`. The end product of this radiaoctive element is an isotope of lead (atomic mass `208` and atomic number `82`.) The number of `alpha`-and `beta` -particles emitted are.

A

`alpha=3,beta=3`

B

`alpha=6,beta=4`

C

`alpha=6,beta=0`

D

`alpha=4,beta=6`

Text Solution

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The correct Answer is:
B
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