Noun
An electro-positive substance, which in electro-decomposition is evolved at the cathode; -- opposed to anion.
Source: Webster's dictionaryA cation can be a conjugate acid, and an anion can be a conjugate base, depending on which substance is involved and which acid–base theory is the viewpoint. Source: Internet
A hydroxide attached to a strongly electropositive center may itself ionize, liberating a hydrogen cation (H + ), making the parent compound an acid. Source: Internet
Another common instance where precipitation occurs is when a metal cation interacts with an anionic ligand to form an electrically neutral complex. Source: Internet
An ion is an atom (or group of atoms) that has lost one or more electrons, giving it a net positive charge (cation), or that has gained one or more electrons, giving it a net negative charge (anion). Source: Internet
Buffering occurs by cation exchange and neutralisation. Source: Internet
Calcium chemistry is almost exclusively that of Ca 2+ salts. citation Ca 2+ is a " hard cation ", that is, it characteristically favors oxide ligands. Source: Internet