Question

Explain : Cation has smaller size than neutral atom .

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Answer 1

Answer : A cation has positive charge and is formed by the loss of one or more electrons by a neutral atom.

Answer 2

Explanation:

A cation is smaller than the neutral atom as the effective nuclear force on each electron increases due to a decrease in the number of electrons. Thus the electrons are held a bit more closely towards the center. This decreases the atomic radius making it 'smaller'.