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If uranium ( mass number 238 and atomic ...

If uranium `(` mass number 238 and atomic number 92`)` emits an `alpha-`paticle, the produc has mass number and atomic number

A

`236 and 92`

B

`234 and 90`

C

`238 and 90`

D

`236 and 90`

Text Solution

Verified by Experts

The correct Answer is:
B
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