Oxidation Numbers Rules (Redox Reactions)
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Flashcards covering the rules for assigning oxidation numbers, essential for understanding redox reactions.
Last updated 9:50 PM on 9/19/25
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8 Terms
1
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Oxidation number of a pure element
Zero
2
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Oxidation number of a monatomic ion
Equal to its charge
3
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Oxidation number of Fluorine (F)
Always -1 when combined with other elements
4
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Oxidation number of Oxygen (O)
-2 in most cases
5
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Oxidation number of Halogens
-1, except when combined with Fluorine (F) or Oxygen (O)
6
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Oxidation number of Hydrogen (H)
+1 in most cases
7
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Sum of oxidation numbers in a neutral compound
Zero
8
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Sum of oxidation numbers in a polyatomic ion
Equal to the ion's charge
Note 
Flashcards (40)