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If uranium (mass number = 238 and atomic...

If uranium (mass number = 238 and atomic number = 92) emits an `alpha`-particle, the product has mass number and atomic number respectively are

A

236 and 92

B

236 and 90

C

238 and 90

D

234 and 90

Text Solution

Verified by Experts

The correct Answer is:
c
`._(92)U^(238) to ._(90)Th^(234) + ._(2)He^(4)`
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