7. How does number of (i) valence electrons (ii) valency:vary on movin – InterviewSolution

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1.	7. How does number of (i) valence electrons (ii) valency:vary on moving from left to right:(a) in the second period of a periodic table ?(b) in the third period of a periodic table ?
Answer» Along a period ( left to right) the different properties remains same in any period . you can understand well from below pic👇

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