What is the reason that although having 5 electrons in outermost shell – InterviewSolution

1.	What is the reason that although having 5 electrons in outermost shell, nitrogen generally shows only valency 3 but phosphorus shows both valencies 3 and 5.
Answer» What is the reason that although having 5 electrons in outermost shell, nitrogen generally shows only valency 3 but phosphorus shows both valencies 3 and 5.

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