Oxidation Numbers

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Flashcards covering the rules and concepts related to oxidation numbers and their significance in redox reactions.

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12 Terms

1
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Oxidation Number

charge an atom would have if all its bonds were 100% ionic

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Element in pure state

oxidation number of 0

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Monatomic Ions

oxidation number is equal to its charge

4
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Group 1 Metals Oxidation State

oxidation number of +1

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Group 2 Metals Oxidation State

oxidation number of +2

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Hydrogen Oxidation State

+1 when bonded to nonmetals and -1 when bonded to metals

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Oxygen Oxidation State

oxidation number of -2

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Peroxide

oxygen has an oxidation number of -1

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Superoxide

oxygen has an oxidation number of -1/2

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Halogens Oxidation State

oxidation number of -1

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Sum of Oxidation Numbers in a Neutral Compound

sum of all oxidation numbers must equal 0

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Sum of Oxidation Numbers in a Polyatomic Ion

sum must equal the charge of the ion