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Electronic Configuration and Atomic Radii

In comparison...

Question

In comparison to the parent atom, the size of the positive ion is:

A

Smaller

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B

Normal

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C

Equal

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D

Greater

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Solution

The correct option is A
Smaller
Upon removal an electron, the effective nuclear charge increases. Hence, the size of the cation is always smaller than the size of the parent atom.

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Electronic Configuration and Atomic Radii

Standard XII Chemistry

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