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How may alpha- and beta- particles will ...

How may `alpha-` and `beta-` particles will be emitted when `._(90)Th^(232)` changes into `._(82)Pb^(208)`?

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) to "" _(82) Pb ^(208) + 6 _(2) He ^(4) + 4 "" _(-1) e ^(0)`
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