How does electronegativity , Atomic radius and Atomic size vary across the group and period in modern periodic table.
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On moving down the group
1.electronegativity decreases
2.atomic radius increases
3.atomic size increases
On moving across the period(left to right)
1.electronegativity increases
2.atomic size decreases
3.atomic radius decreases.
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Answer : Down a Group atomic size increases thus electronegativity decreases while across a period atomic size decreases thus electronegativity increases
Explanation:
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