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Standard XII

Chemistry

Gamma Decay

When nucleus ...

Question

When nucleus of an electrically neutral atom undergoes a radioactive decay process, it will remain neutral after the decay if the process is

α

-decay

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β^{\oplus}

-decay

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γ

-decay

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K-capture process

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Solution

The correct option is C $γ$ -decay
Since $γ$ -particles are neutral, therefore, its decay will not change the charge of atom.
All other particles carry charge, so the nucleus won’ remain neutral.

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When nucleus of an electrically neutral atom undergoes a radioactive decay process, it will remain neutral after the decay, if the process is

Q. When the nucleus of an electrically neutral atom undergoes a radioactive decay process, it will remain neutral after the decay if the process is

Q. When a nucleus, having atomic number

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will decrease, if the process is

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and mass number

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undergoes a radioactive decay process,

(1)

Both

Z

and

A

will decrease, if the process is

α

decay.

(2)

Z

will decrease, but

A

will not change, if the process is

β^{+}

decay.

(3)

Z

will increase, but

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will not change, if the process is

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Q. When a nucleus with atomic number Z and mass number A undergoes a radioactive decay process

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When nucleus of an electrically neutral atom undergoes a radioactive decay process, it will remain neutral after the decay if the process is

The correct option is C γ -decaySince γ -particles are neutral, therefore, its decay will not change the charge of atom. All other particles carry charge, so the nucleus won’ remain neutral.

The correct option is C $γ$ -decay
Since $γ$ -particles are neutral, therefore, its decay will not change the charge of atom.
All other particles carry charge, so the nucleus won’ remain neutral.