Q1 of 7 Page 43

What is the valency of nitrogen in nitrogen dioxide?

The chemical formula of nitrogen dioxide is NO2 .

We know that the valency of O is -2
Let the valency of N be “x”


Then, x + (-2)2 = 0


Or x – 4 = 0


Or x = 4


Thus, the valency of N is +4.


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