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Unformatted text preview: 7. Alkali metals always have an ON = +1. 8. Polyatomic ions all have specific total charges that will be the sum of the oxidation number of all individual atoms. (eg SO 4 2-will always have a -2 total charge with the O each being -2 and therefore the S requiring an ON of +6) 9. To get ONs for other elements, use the PRIORITY RULE: The sum of the oxidation numbers MUST ALWAYS equal the charge on the compound or ion....
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This note was uploaded on 07/25/2008 for the course LBS 172 taught by Professor Laduca during the Spring '08 term at Michigan State University.
- Spring '08