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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
`.^(92)U^(238) rarr ._(90)U^(234) + ._(2)^(4)He`
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ERRORLESS -NUCLEAR CHEMISTRY -JEE SECTION (Only one choice correct answer)
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