What is the Trends of Variation of atomic radius along a period?

Increases

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Decreases

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Remains same

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None of the above

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Solution

The correct option is B Decreases
Atomic radius is the distance from the centre of the nucleus to the valence electron in an energy level. Atomic radius is expressed in angstrom units.
Trend in atomic radius: The atomic radius decreases across a period while moving from left to right in the periodic table due to increase in nuclear charge.

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