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Unformatted text preview: assigned to make the algebraic sum of the oxidation states equal to the net charge on the molecule or ion. 5. The following elements usually have the same oxidation states in their compounds: o +1 for alkali metals - Li, Na, K, Rb, Cs; o +2 for alkaline earth metals - Be, Mg, Ca, Sr, Ba; o-1 for halogens except when they form compounds with oxygen or one another halogen....
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- Spring '09