If uranium -mass number 238 and atomic number 92- emits an - particle- the product has mass number and atomic number-238 and 90234 and 90236 and 90236 and 92

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Standard XII

Chemistry

Introduction to Nuclear Fission

If uranium (m...

Question

If uranium (mass number 238 and atomic number 92) emits an $α -$ particle, the product has mass number and atomic number:

236 and 92

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234 and 90

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238 and 90

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236 and 90

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Solution

The correct option is B 234 and 90
The nuclear reaction is
$_{92} U^{238} \to_{2} H e^{4} (α) +_{90} T h^{234}$

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If uranium (mass number 238 and atomic number 92) emits an α− particle, the product has mass number and atomic number:

The correct option is B 234 and 90The nuclear reaction is 92U238→2He4(α)+90Th234

If uranium (mass number 238 and atomic number 92) emits an $α -$ particle, the product has mass number and atomic number:

The correct option is B 234 and 90
The nuclear reaction is
$_{92} U^{238} \to_{2} H e^{4} (α) +_{90} T h^{234}$