Oxidation numbers 0.0 / 5 ? ChemistryRedoxASAll boards Created by: hanzCreated on: 25-01-15 14:38 Oxidation number of an uncombined element 0 1 of 11 Oxidation number of an uncombined ion The same as its charge 2 of 11 The sum of the oxidation numbers in a molecule 0 3 of 11 The sum of the oxidation numbers in a complicated ion The same as the charge 4 of 11 Oxidation number of fluorine -1 5 of 11 Oxidation number of hydrogen +1 (except in metal hydrides, -1) 6 of 11 Oxidation number of oxygen -2, except in hydrogen peroxide (-1) or with fluorine (+ve) 7 of 11 Oxidation number of chlorine -1, except with oxygen & fluorine (becomes +ve) 8 of 11 Oxidation number of group 1 elements +1 9 of 11 Oxidation number of group 2 elements +2 10 of 11 Oxidation number of group 3 elements +3 11 of 11
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