Radius of cation is always smaller than parent atom why?

1.	Radius of cation is always smaller than parent atom why?
Answer» When electron removed form it\'s parent atom the strong nuclear force is increases it attract the outer most shell and the size of cation decrease.<br>A parent atom is neutral and when an atom is loses its electron from its valence shell and acquires positive charge i.e. cation and becomes smaller in size than its parent atom.

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