A) Increases
B) Decreases
C) Remains unchanged
D) Decreases first then increases
Correct Answer: B
Solution :
Electronegativity increases on moving from left to right in a period and decreases on moving down the group. With decrease in atomic radius the increase in atomic radius. Alkali metals (in extreme left of periodic table) have highest electropositive character while halogen (in extreme right of the periodic table) have highest electronegativity in a period.
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