Assigning Oxidation Numbers Worksheet. A pure element has an oxidation number of 0. Oxidation numbers worksheet directions.
Hydrogen usually 1 except when bonded to group i or group ii when it forms hydrides 1. The more electronegative element in a binary compound is assigned the number equal to the charge it would have if it were an ion. The oxidation number of hydrogen in a compound is 1 4.
Worksheet assigning oxidation numbers name period oxidation number rules.
Worksheet 25 oxidation reduction reactions oxidation number rules. Hydrogen usually 1 except when bonded to group i or group ii when it forms hydrides 1. Elements have an oxidation number of 0 group i and ii in addition to the elemental oxidation state of 0 group i has an oxidation state of 1 and group ii has an oxidation state of 2. The oxidation number of a monatomic ion equals that charge on the ion.
