oxidation numbers

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Last updated 1:01 AM on 9/29/26
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7 Terms

1
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Oxidation number of any pure element

0

2
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Oxidation number of monatomic ion equal its charge

Na+ +1 S 2- = -2

3
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Fluorine has oxidation number of -1 in all compounds

a

4
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oxygen almost has oxidation numerb of -2

exceptions O2, 0; Peroxide O2- = -1

5
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Hydrogen as oxidation number of +1 when bonded to nonmetals and -1 when a hydride (anion)

aSum

6
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sum of oxidation numbers of all atoms equal for neutral compound and the charge on a polyatomic ion

a

7
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electronegative elements tend ot have negative oxidation numbers, while electropositive elements tend to have positive oxidation numbers