which feature of the atomic structure accounts for the similarities in the chemical properties of the elements in group 7 A of the periodic table
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The chemical properties of group 7A are dependent on outer electronic configuration. The chemical properties remains the same. All the elements in group 7A are highly reactive, electronegative and all are non-metals
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If elements have similar electronic configuration they will have similar chemical properties. As the elements in the same group have the same no. of valence electrons they have similar chemical properties.
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