CHEM114 oxidation number rules
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6 Terms
1
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Pure element
zero
2
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monatomic ion
charge on the ion
3
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each oxygen atom in all compounds of oxygen
-2 (except peroxides, superoxides, and F2O)
4
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each hydrogen atom in all compounds of hydrogen
+1 (except metal hydrides -1)
5
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uncharged molecule
total oxidation number equals zero
6
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polyatomic ion
total oxidation number equals the charge on the ion
Note 
Flashcards (29)