A) Li to Cs (lithium to cesium) in the 1 group
B) \[Cl\]to\[I\](chlorine to iodine) in the VII group
C) \[Al\]to Na (aluminium to sodium) in the same period
D) none of the above
Correct Answer: D
Solution :
: Electropositive character decreases from left to right in a period, e.g. sodium is more electropositive than magnesium, which in turn is more electropositive than aluminium. In a group, electropositive character increases as we move down the group.
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