Oxidation Numbers

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Last updated 9:21 PM on 5/20/26
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13 Terms

1
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Oxidation number of all elements in their natural state

0

2
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Oxidation number of all monoatomic ions is equal to…

their charge

3
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Hydrogens oxidation number when NOT in a hydride

+1

4
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In a hydride (with a metal), Hydrogens oxidation number

-1

5
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Oxygens oxidation number (when not a peroxide)

-2

6
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Oxidation number of oxygen (is a peroxide)

-1

7
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Oxygens oxidation number when with fluorine

+2

8
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In compounds, oxidation number of elements in group 1

+1

9
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In compounds, oxidation number of elements in group 2

+2

10
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In compounds, oxidation number of fluorine

-1

11
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The sum of the oxidation numbers in a polyatomic ion is….

equal to its charge

12
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The sum of the oxidation numbers in a compound

0

13
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IF ALL ELSE FAILS: halogens have an oxidation number of…

-1