1.1 Formulae and equations
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Last updated 11:02 PM on 1/31/26
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8 Terms
1
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What is the oxidation state of group 1 metals?
+1 (no exceptions)
2
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What is the oxidation state of group 2 metals?
+2 (no exception)
3
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Oxidation state of fluorine
-1
4
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Oxidation state of hydrogen?
+1 (except in metal hydrides e.g LiH)
5
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Oxidation state of oxygen?
-2 (except in H2O2 and F2O
6
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Oxidation state of chlorine?
-1 (has exceptions)
7
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What is OILRIG in terms of oxidation state?
Oxidation is increase in oxidation state, reduction is decrease in oxidation state
8
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What are the steps to make an ionic equation?
Separate any (aq) compounds into their ions
Remove any species that are replicated on both sides
Note 
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