assigning

ecessarily; oxidation numbers are formal charges assigned based on rules, while ion charges are actual charges on ions; they can be the same but are used in different contexts. Related keywords: oxidation numbers, oxidation

known values (e.g., F = -1, O = -2). Use algebra to solve for unknown oxidation numbers, considering the sum rule. Verify that the assigned numbers satisfy all rules and logical consistency. Assigning Oxidation Numbers: Step