The average oxidation state of the 1 H atom in HClO3is +1. ElementOxidation Number (Avg)AtomsCountElectronegativity O-2-2 (×3)33.4 Cl+5+5 (×1)13.2 H+1+1 (×1)12.2 🛠️ Calculate Oxidation Numbers Instructions Enter the formula of a chemical compound to find the oxidation number ...