A) \[X=2,8,4\]
B) \[Y=2,8,8\]
C) \[Z=2,8,8,1\]
D) \[J=2,8,8,7\]
Correct Answer: C
Solution :
An element with least number of electrons in the outer valence shell and larger number of completed inner shell is more metallic. Elements [c] and [d], each have four shells but element [c] has only one valence electrons and element [d] has seven. Therefore, element [c] has the highest metallic character.
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