Assigning Oxidation Numbers Practice Worksheet Answer Key. Rules for assigning oxidation numbers the oxidation number of any uncombined element is 0 the oxidation number of a monatomic ion equals the charge on the ion. Rules for assigning oxidation numbers 1.
This exercise is designed to teach the student how to assign oxidation numbers. The sum of the oxidation numbers of all the elements in a polyatomic ion equals the charge on the ion. The number of electrons produced must equal the number of electrons consumed.
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 number of electrons produced must equal the number of electrons consumed. This exercise is designed to teach the student how to assign oxidation numbers. A pure element has an oxidation number of 0. Rules for assigning oxidation numbers.
