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Lewis Dot Structure

Why can't nit...

Question

Why can't nitrogen expand it's covalency beyond 4 . As nitrogen has 5valence electrons in it's outer shell

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Q. Assertion :The covalence of nitrogen in

N_{2} O_{5}

is 5. Reason: Nitrogen can expand its covalence beyond 4.

Q. Nitrogen molecule, in which each nitrogen atom has ______ electrons in its valence shell and required three electrons to complete the octet.

Li has 1 electron in its outer shell, Cl has 7 electrons in its outer shell. Choose the correct options:

Q. The electronic configuration of nitrogen is 2, 5. How many electrons in the outer shell of the nitrogen atom are not involved in the formation of a nitrogen molecule.

Q. Nitrogen is restricted to a maximum covalency of

4

since only four (one s and three p) orbitals are available for bonding. The heavier elements have vacant d orbitals in the outermost shell which can be used for bonding (covalency) and hence, expand their covalence as in

P F_{6}^{-}

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