| Term | Definition |
| element | A pure substance that cannot be broken down into a simpler substance. |
| pure substance | A substance that is only made up of one element or compound. |
| metal | A shiny element & a good conductor of heat and electricity. |
| nonmetal | An element which is a poor conductor of heat and electricity. |
| metalloid | An element that has properties of both metal and non-metal. |
| compound | A substance made up of 2 or more elements chemically combined. |
| mixture | A combination of 2 or more substances that are not chemically combined. |
| solution | A homogeneous mixture of 2 or more substances that disappear out of a single phase. |
| solute | In a solution a substance that dissolves in the solvent. |
| suspension | A mixture in which particles of a material are dispersed. |
| colloid | A mixture that consist of tiny particles that are intermediate between solutions and suspensions. |
| solvent | The substance the solute dissolves. |
| distillation | A process of separating the boiling points of components. |
| centrifuge | A machine that separates blood cells from plasma. |
| magnet | Used to separate a mixture of elements. Will attact iron, not aluminum. |
| solubility | Ability of one substance to dissolve in another substance. |
| concentration | Amt. of particular substance in a given quantity of a mixture, solution, or ore. |