A) decreases down the group and increases across the period
B) increases down the group and decreases across the period
C) increases across the period and also down the group
D) decreases across the period and also down the group
Correct Answer: B
Solution :
Key Idea: Metallic character \[\propto \] atomic size \[\propto \frac{1}{nuclear\,\,charge}\] \[\therefore \]In a period metallic character decreases due to decrease in size. \[\therefore \]In a group metallic character increases due to increase in size.
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