An element X of group 15 and period 2 exists as diatomic molecule. It – InterviewSolution

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1.	An element X of group 15 and period 2 exists as diatomic molecule. It combines with hydrogen and forms ammonia in the presence of a suitable catalyst. Write the electronic configuration of X and count the number of valence electrons.
Answer» SOLUTION :X =2,5 , NUMBER of VALENCE electrons =5

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