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10. The increasing order of the atomic radii of the following elements is (A) C(B)O(C) F (D) CI(E) Br(a) (A) < (B) < (C) < (D) < E)b) (c) < (B) < (A) < (D) |
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Answer» ONG>Answer: A is the answer Explanation: This is because when we move left to right in a periodic table we see trend of radii CHANGES so we take electronegativity and Valence shell DISTANCE or screening EFFECT in consideration . According to that carbon is most electronegative then O then F , and for Cl and Br screening effect CONCEPT will apply. |
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