Question

What is atomic numbers of potassium nitrate

Answer 1

So the total is 5 atoms, therefore the atomicity of potassium nitrate is 5. Atomicity is the number of atoms that are present in one molecule of any compound. Here in case of potassium nitrate (KNO3) , there are 1 atom of potassium , 1 atom of nitrogen and 3 atoms of oxygen.