For each of the compounds or ions contained in this table, show the correct oxidation state (oxidation number) for each element.  Remember that common ions have the oxidation state corresponding to their charge.  

Answers for this worksheet
K2CrO4 Al(OH)3
Pb IO3-
H3PO4 SO3
PH3 Na2SO3
CaH2 Rb2SO4
OF2 Fe2S3
CN- Li2O
NH4Br CBr4
AsO43- N2
Fe3+ Fe3O4
XeO4 NaN3
nickel(II) sulfate arsenic(II) sulfite
tin(II) fluoride lead(IV) sulfide

What is the highest oxidation state of carbon?

What is the highest oxidation state of sulfur?

What is the lowest common oxidation number of carbon?

What is the lowest common oxidation number of nitrogen?


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