3.38 Considering the elements B, Al, Mg, and K, the correct order of their metallic character is :
(a) B > Al > Mg > K
(b) Al > Mg > B > K
(c) Mg > Al > K > B
(d) K > Mg > Al > B
Ans- D
The metallic character of elements decreases from left to right across a period. Thus, the
metallic character of Mg is more than that of Al.
The metallic character of elements increases down a group. Thus, the metallic character
of Al is more than that of B.
Considering the above statements, we get K > Mg.
Hence, the correct order of metallic character is K > Mg > Al > B.
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