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| | R-5.8.3 Anions |
 | | An anion derived formally by the removal of one or more hydrons from any position of a neutral parent hydride is named by replacing the final "e" of the parent compound name, if present, by the suffix "-ide", or by adding the suffixes "-diide", "-triide", etc., to the name of the parent hydride. |
 | | An anion formed by the loss of the hydrogen atom as a hydron from the chalcogen atom of an acid characteristic group or functional parent compound is named by replacing the "-ic acid" or "-ous acid" ending of the acid name by "-ate", or "-ote", respectively. |
 | | An anion formed by the loss of the hydrogen atom as a hydron from the chalcogen atom of a hydroxy characteristic group, or a chalcogen analogue, that can be expressed as a suffix such as "-ol", "-thiol", etc., is named by adding the suffix "-ate" to the appropriate suffix. |
| www.acdlabs.com /iupac/nomenclature/93/r93_592.htm (498 words) |
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