Periodic Table, Chemistry

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Basics of Periodic Table.

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Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f

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The ratio of area covered by second orbital to the first orbital is: (1) 1 : 2  (2) 1 : 16       (3) 8 : 1           (4) 16 : 1 Ans:  16 : 1

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