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metallic character is :
(a) B > Al > Mg > K
(c) Mg > Al > K > B
(b) Al > Mg > B> K
(d) K > Mg > Al > B
Considering the elements B, Al, Mg, and K, the correct order of their
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From right to left across a period, the metallic character increases because the attraction between valence electron and the nucleus is weaker, enabling an easier loss of electrons.
Metallic character increases as you move down a group because the atomic size is increasing.
Hence, correct order will be K>Mg>Al>B.
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