Question

which of the following set of elements is written correctly in the order of their increasing metallic character?
(a) Mg, Al, Si (b) C, O, N (c) Na, Li, K (D) Be Mg, Ca​

Answer 1

(c) Na, Li, K is the correct answer

As we go down a group, the ability of the atom to hold e- decreases and hence it's electropositive character or metallic character increases

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