why is atomic radius of sodium greater than that of zinc
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there are so many factors like no of electrons,sheldingeffect,bonds
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Sodium belongs to the 3rd period. Zinc belongs to the 4th period. Down the group atomic radius increases. Across the period atomic radius decreases. Sodium is the 1st element in 3rd period. But zinc is 12th element in 4th period. For Na,nuclear charge is smaller than Zn. Elements having smaller nuclear charge will have larger the atomic radius. That's why atomic radius of sodium is greater than zinc.
custard:
still should zinc have greater atomic radius but sodium has why
sry for the inconvenience now i has corrected it
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