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Uranium (mass number 238 and atomic numb...

Uranium (mass number 238 and atomic number 92) emits an alpha particle. The product has mass number and atomic number respoectively as :

A

`238 and 92`

B

234 and 90``

C

`238 and 90`

D

`236 and 90`

Text Solution

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The correct Answer is:
b
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