Why does atomic radii decrease from left to right across a period?
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25
as we move from left to right in a period the atomic number increases but the shell remains the same that's why electrons are added in the same shell this increases the force of attraction between the electrons and the nucleus that is why the atomic radii decreases as we move from left to right in a period.
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Answered by
5
because there is attraction between protons and electrons the atomic radius decreases millimeter.
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