Redox worksheet # 1 key

Sep 07, 2015 · The oxidation number of F is -1 in all its compounds. The sum of the oxidation numbers of all of the atoms in a polyatomic ion is equal to the ionic charge of the complex ion. (H3O+, OH-) The oxidation number of oxygen is always -2, except in peroxides (H2O2) where it is -1, and when it combined with fluorine (OF2) it is +2. ................
................