👉 In chemistry, an oxidation is a chemical reaction in which one or more atoms are lost from the substance. This can be represented by the following equation: \[ \text{Redox Equation} = \text{Reductive Step} + \text{Electrolyte Step} - \text{Non-reductive Step} \] The non-reductive step is a chemical reaction that does not change the oxidation state of any atoms in the substance. The redox equation represents the overall reaction,