1.

Arrange the following elements in the order of their decreasing metallic character: (A) Cl > Si > Al > Mg > Na (B) Na . Mg > Al > Si > Cl (C) Na > Al > Mg > Cl > Si (D) Al > Na > Si > Ca > Mg

Answer»

(B) Na . Mg > Al > Si > Cl

B is the correct answer = Na > Mg > Al > Si > Cl. Along the period, metallic character decreases, all elements belong to period-3.



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