A gamma ray is emitted from the nucleus of an unstable atom. Find out the result of this reaction?

The number of electrons decreases

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The number of electrons increases

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The number of electrons remains same

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The mass of the nucleus decreases

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The mass of the nucleus remains the same

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Solution

The correct option is D The mass of the nucleus remains the same
When a gamma ray is emitted from the nucleus of an unstable atom, the unstable atom becomes stable. Thus number of electrons , neutrons and mass will remain same. The nuclear reaction will be $X^{*} \to X + γ$

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A gamma ray is emitted from the nucleus of an unstable atom. Find out the result of this reaction?

The correct option is D The mass of the nucleus remains the sameWhen a gamma ray is emitted from the nucleus of an unstable atom, the unstable atom becomes stable. Thus number of electrons , neutrons and mass will remain same. The nuclear reaction will be X∗→X+γ

The correct option is D The mass of the nucleus remains the same
When a gamma ray is emitted from the nucleus of an unstable atom, the unstable atom becomes stable. Thus number of electrons , neutrons and mass will remain same. The nuclear reaction will be $X^{*} \to X + γ$