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In a radioactive decay chain, the initia...

In a radioactive decay chain, the initial nucleus is `overset(232)(90).^(Th)`. At the end there are 6 `alpha`-particles and 4 `beta`-particles which are emitted. If the end nucleus is `overset(A)(Z).^(X),A` and Z are given by :

A

A = 202, Z = 80

B

A = 200, Z = 81

C

A = 208, Z = 82

D

A = 208, Z = 80

Text Solution

Verified by Experts

The correct Answer is:
C
`._(90)^(232)Th rarr ._(Z)^(A)X + 6 alpha + 4 beta`
`232 = A + 6 xx 4 = 0`, A = 208
90 = Z + 12 - 4, Z = 82
A = 208, Z = 82
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