13Al, 14Si, 11Na, 12Mg, 16S
Element and thier electronic configuratio :
13Al=2,8,3
14Si=2,8,4
11Na=2,8,1
12Mg=2,8,2
16S=2,8,6
The element with the highest metallic character is 11Na as metallic character decreases moving across a period from left to the right.