| Name(acid) ion: acid: |
hypo...ite hypo...ous |
...ite ...ous |
...ate ...ic |
per...ate per...ic |
|
| chlor | ClO- | ClO2- | ClO3- | ClO4- | |
| brom | BrO- | BrO2- | BrO3- | BrO4- | |
| iod | IO- | IO2- | IO3- | IO4- | |
| sulf(ur) | SO22- | SO32- | SO42- | ||
| nitr | NO2- | NO3- | |||
| phosph(or) | PO23- | PO33- | PO43- | ||
| carbon | CO32- | ||||
| chrom | CrO42- | ||||
| dichrom | Cr2O72- | ||||
| mangan | MnO4- |
Others:
| hydroxide: OH- | hydronium: H3O+ | ammonium: NH4+ |
Some special polyatomic ions for which O does not have an oxidation
number of -2
| peroxide O22- | superoxide O2- |