Acids are an important class of compounds containing hydrogen and having special. From the answers we derive, we place the compound in an appropriate category and then name it accordingly. Compounds Containing Only Monatomic Ions The name of a binary compound containing monatomic ions consists of the name of the cation (the name of the metal) followed by the name of the anion (the name of the nonmetallic element with its ending replaced by the suffix – ide ).