Rules for Assigning Oxidation Numbers
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Created by:
christasaur on March 4, 2012
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19-1
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9 terms
Terms | Definitions |
|---|---|
 the oxidation number of any uncombined element is | 0 |
| the oxidation number of a monatomic ion equals | the charge of the ion |
| 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 of fluorine in a compound is always... | -1 |
| oxygen has an oxidation number of ... unless it is combined with ... , when it is..., or it is in a peroxide, when it is... | -2, F, +2, -1 |
| the oxidation state of hydrogen in most of its compounds is ... unless it combined with a metal in which case it is ... | +1, -1 |
| in compounds, groups 1 and 2 elements and aluminum have oxidation numbers of... | +1, +2, and +3, respectively |
| the sum of the oxidation numbers of all atoms in a neutral compound is... | 0 |
| the sum of the oxidation number of all atoms in a polyatomic ion equals... | the charge of the ion |
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