Match the correct atomic radius with the...

Match the correct atomic radius with the element.

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The correct Answer is:

All the given elements are of some period and along a period, atomic radii decreases because effective nuclear charge increases. Thus, the order of atomic radii is
`O lt N lt C lt B lt Be` or, Be=11pm, O=66pm, C=77pm, B=88pm, N=74pm.

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Match the correct atomic radius with the element.

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