| A | B |
| Acid | Any substance that has a pH lower than 7. |
| Base | Any substance that has a pH above 7. |
| Buffer | A substance that prevents changes in pH. |
| Hydrogen Bond | Weak attractions between oxygen and hydrogen. |
| Mixture | Combination of 2 or more substances. |
| pH | How acidic or basic a substance is. |
| Polar Molecule | Molecules with an uneven distribution of charge. |
| Solute | Anything that is dissolved. |
| Solvant | Material used to dissolve something. |
| Solution | Mixture made by dissolving 1 thing into another. |