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How to Figure out Oxidation Numbers
How to assign oxidation numbers to the atoms in a molecule.
1. Elements have oxidation number = 0
2. Hydrogen's always +1 (except in "hydrides")
3. Oxygen's always 2 (except in "peroxides")
4. Other atoms get the charge they prefer, as long as the sum of oxidation numbers for all atoms = the total charge on the atom.
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