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An atomic nucleus .90 Th^232 emits sever...

An atomic nucleus `._90 Th^232` emits several `alpha` and `beta` radiations and finally reduces to `._82 Pb^208`. It must have emitted.

A

`6,4`

B

`4,6`

C

`8,6`

D

`6,8`

Text Solution

Verified by Experts

The correct Answer is:
A
`._(90)Th^(232)rarr._(82)Pb^(208)+6._(2)He^(4)+4._(-1)e^(0)`
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