Statement (A): Some atoms and ions which contain the same number of electrons are known as isoelectronic species. Statement (B): The distance b/w the centre of the nucleus of an atom and valency shell is called atomic radii. Statement (C): The distance b/w outer most shell and nucleus of an ion’ is called Ionic radii.

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Statement (A): Some atoms and ions which contain the same number of electrons are known as isoelectronic species.

Statement (B): The distance b/w the centre of the nucleus of an atom and valency shell is called atomic radii.

Statement (C): The distance b/w outer most shell and nucleus of an ion’ is called Ionic radii.

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A and B are correct but C s incorrect

All the above statements are incorrect

All the above statements are correct

A and B are incorrect but C is correct

answer is A.

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Detailed Solution

Some atoms and ions which contain the same number of electrons are known as isoelectronic species.

The distance b/w the centre of the nucleus of an atom and valency shell is called atomic radii.

The distance b/w outer most shell and nucleus of an ion’ is called Ionic radii.

All A, B< C are correct only.

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