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More Oxidation Number Rules
5. All metals in Group 2 have an oxidation state of +2. 6.F’s oxidation state is always -1 in compounds.
7. O’s oxidation state is -2 in compounds.
8. H’s oxidation state is always +1 in compounds.
Exception: In metal hydrides (metal + hydrogen, such as LiH and CaH2), H’s oxidation state is -1.
Group 2 has an oxidation
state of +2.
F – fail. You fail a test when you get lots of -1s.
UNIT 10: OXIDATION & REDUCTION © 362
