Think about it, What is the periodic trend in the variation of valenc – InterviewSolution

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1.	Think about it, What is the periodic trend in the variation of valency while going from left to right within a period. Explain the answer with reference to period 2 and period 3:
Answer» Solution : For PERIODS 2 and 3, on going from LEFT to right, the valency increases from 1 to 4, then starts decreasing upto 0.

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