| A | B |
| binary acid | an acid that contains only two different elements |
| oxyacid | an acid composed of hydrogen, oxygen, and one other element |
| Arrhenius acid | a compound that increases the H+ concentration in aqueous solution |
| Arrhenius base | a compound that increases the OH- concentration in aqueous solution |
| strong acid | an acid that ionizes completely in aqueous solution |
| weak acid | an acid that is a weak electrolyte because it ionizes only slightly in aqueous solution |
| Bronsted-Lowry acid | a proton donor |
| Bronsted-Lowry base | a proton acceptor |
| polyprotic acid | an acid that can donate more than one proton |
| monoprotic acid | an acid that can only donate one proton |
| Lewis acid | an electron pair acceptor |
| Lewis base | an electron pair donor |
| conjugate base | what is left after an acid donates a proton |
| conjugate acid | species formed when a base accepts a proton |
| amphoteric | a compound that can act as either an acid or a base |
| neutralization | the reaction between an acid and a base to form a salt and water |
| salt | an ionic compound formed from the positive ion of a base and the negative ion of an acid |