Oxidation Numbers

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10 Terms

1
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the sum of all oxidation numbers in neutral compounds

zero

2
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sum of all oxidation numbers in a polyatomic ion

= the charge

3
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atoms in elemental form (including diatomics)

0

4
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Monoatomic ion

same as the charge

5
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F in compounds

-1

6
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H in compounds with nonmetals

+1 (when with metals= -1)

7
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O in compounds

-2 (H202= -1, OF2=+2)

8
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Group 1 metals

+1

9
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Group 2 metals

+2

10
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Cl, Br, and I

-1 (when in compounds with more than 2 elements it may vary)