| A | B |
| element | a pure substance that cannot be separated or broken down into simpler substances by physical or chemical means |
| pure substance | a substance in which there is only one type of particle includes elements and compunds |
| metals | elements that re shiny and are good conductors of thermal energy in electric currentsl |
| nonmetals | elements that are dual and are poor conductors of thermal energy in electric currents |
| metalloids | elements that have properties of both metals and nonmetals |
| compound | pure substanc composed of two or more elements that are chemically combined |
| mixture | a combination of two or more substances that are not chemically combined |
| solution | a mixture that appears to be a single substance but is composed of particles of two or more substances that are distributed evenly amongst each other |
| solute | the substance that is dissolved to form a solution |
| solvent | the substance in which a solute is dissolved to form a solution |
| concentration | a measure of the amount of solute dissolved in a solvent |
| solubility | the ability to dissolve in another substance; more specifically the amount of solute needed to make a saturated solution |
| suspension | a mixture in which particles of a material are dispersed throughout a liquid or gas but are large enough that they can settle down |
| colloid | a mixture in which the particles are dispersed throughout but are not heavy enough to settle down |
| homogeneous | mixture of combination of substances in which the appearance and properties are the same throughout |
| heterogeneous | mixture of combinatins of substances in which different components are easily observed |