an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
forming nouns denoting the action of a verb or an instance of this
an organic cation in which the positive charge is located on a carbon atom
another term for hydroxonium ion.
the exchange of ions of the same charge between an insoluble solid and a solution in contact with it, used in water-softening and other purification and separation processes
a solid used in ion exchange, typically a special cross-linked synthetic resin or a zeolite
the ion H3O+, consisting of a protonated water molecule and present in all aqueous acids