CH12 OX#s - =0 Fe, H 2 , O 2 2. Monatomic ions =charge F...

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Assigning Oxidation Numbers This is a more complete set of rules than your text book. It always works. Use these rules in order. The sum of all oxidation numbers of all elements = charge on substance Oxidation Number: Examples: 1. Atoms in their elemental state
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Unformatted text preview: =0 Fe, H 2 , O 2 2. Monatomic ions =charge F 1-, Na 1+ , Fe 3+ IN COMPOUNDS 3. Group 1A =+1 NaCl, KNO 3 4. Group 2A =+2 MgO 5. Fluorine =-1 HF, ClF 6. Hydrogen =+1 H 2 O 7. Oxygen =-2 SO 2 , HClO 4 8. Group 7A =-1 HCl 9. Group 6A =-2 PbS 2...
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