| Term | Definition |
| Hydrofluoric acid | pure compound: Hydrogen fluoride HF(aq) |
| Hydrochloric acid | pure compound: Hydrogen chloride HCl(aq) |
| Hydrobromic acid | pure compound: Hydrogen bromide HBr(aq) |
| hydroiodic acid | pure compound: Hydrogen iodide HI(aq) |
| H(C2H3)2(aq) | acetic acid |
| HNO3(aq) | nitric acid |
| HNO2(aq) | nitrous acid |
| H2SO4(aq) | sulfuric acid |
| H2SO3(aq) | sulfurous acid |
| H2CO3(aq) | carbonic acid |
| H3PO4(aq) | phosphoric acid |
| H3BO3(aq) | boric acid |
| H2C2O4(aq) | oxalic acid |
| NaOH(aq) | sodium hydroxide |
| KOH(aq) | potassium hydroxide |
| Ca(OH)2(aq) | calcium hydroxide |
| Ba(OH)2(aq) | barium hydroxide |
| NH3(aq) | aqueous ammonia |