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When a nucleus in an atom undergoes a ra...

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom.

A

Do not change for any type of radioactivity

B

Change for `alpha and beta` - radioactivity but not for `gamma` - radioactivity

C

Change for `alpha`- radioactivity but not for others

D

Change for `beta`- radioactivity but not for others

Text Solution

Verified by Experts

The correct Answer is:
B
`alpha- beta` particle carries one unit of negative charge, an `alpha`- particle carries 2 units of positive charge and `gamma` (particle) carries no charge, therefore electronic energy levels of the atom charges for `alpha- and beta-` decay but not for `gamma`- decay
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  14. If .92 U^238 undergoes successively 8 alpha-decays and 6 beta-decays, ...

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  15. A radioactive decay chain starts from .93 Np^237 and produces .90 Th^2...

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  16. The number of beta particles emitted by a radioactive substance is twi...

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  17. What is the respective number of alpha and beta particles emitted in t...

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  18. A radioactive element .90 X^238 decay into .83 Y^222. The number of be...

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  19. When a nucleus in an atom undergoes a radioactive decay, the electroni...

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