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In a radioactive decay chain, .(90)^(232...

In a radioactive decay chain, `._(90)^(232)Th` nucleus decays to `._(82)^(212)Pb` nucleus. Let `N_(alpha) and N_(beta)` be the number of `alpha and beta`- particles, respectively, emitted in this decay process. Which of the following statements is (are) true ?

A

`N_(alpha)=5`

B

`N_(alpha)=6`

C

`N_(beta)=2`

D

`N_(beta)=4`

Text Solution

Verified by Experts

The correct Answer is:
A, C
`""_(90)Th^(222) to ""_(82)Pb^(212) + x(""_(2)He^(4)) + y(""_(-1)e^(0))`
`2x-y=8`
`x=5` and y=2
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