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H has Valency of 1, N has valency of 1. So HN has valency of 2 rite?
That is because each Oxygen atom has 2 protons
Thanks for your reply!! Kindly explain how this happens. H2O molecule is one oxygen with 2 hydrogen. That is because each Oxygen atom has 2 protons and each hydrogen atom has one proton. Hence the water molecule is internally balanced with 2 protons of hydrogen and two protons of oxygen: H2O. HNO3 is not internally balanced. Why does N have 5? I understand it is balanced then because O=2*3=6, N=5 and H=1.Kindly explain why N has 5.