Assigning Oxidation Numbers – Flashcards
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| In a pure element the oxidation number is.... |
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| 0 |
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| The oxidation number of a monotomic ion is... |
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the same as its charge. Ex. Li+ = +1 |
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| The sum of all oxidation numbers in a compound is... |
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| 0 |
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| The sum of all oxidation numbers in an ion... |
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Equals the charge of that ion. Ion an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. |
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| When bonded to other elements, the oxidation number of F is ... |
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| -1 |
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| In a binary salt involving a halogen, the oxidation number of the halogen is always... |
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| -1 |
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| The oxidation of an alkaline metal when bonded to other elements is ... |
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| +1 |
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| The oxidation numbers of all alkaline earth metal when bonded to other elements is... |
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| +2 |
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| When bonded to other elements the oxidation number of Al is ... |
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| +3 |
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| When bonded to other elements the oxidation number of Ag is... |
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| +1 |
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| When bonded to other elements the oxidation number of zinc and cadmium are each... |
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| +2 |
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| When bonded to other elements the oxidation number of Sc, Y and La are... |
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| +3 |
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| The oxidation number of O when bonded to other elements is almost always... |
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-2 exception is O22-. In peroxides the oxidation number of O is -1 |
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| The oxidation number of H- when bonded with other elements is almost always ... |
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+1 Exception is when hydrogen is bonded directly to a metal (hydrides)Â |
