Question

The co-valency of nitrogen and hydrogen in NH3 molecule respectively are
(A) 1,3
(B) 3,1
(C) 2,3
(D) 32​

Answer 1

Answer:

3,1

Explanation:

nitrogen (15)= it has 3 more electrons to fill p shell

hydrogen (1)=hydrogen has 1 free electron

hope you understand

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Answer 2

Answer:

I think the answer is option b