| A | B |
| element | a pure substance that cannot be separated into simpler substances by physical or chemical means. |
| pure susbstance | a substance where there is only one type of particle. |
| metal | a substance that is shiny, and conducts heat energy and electric current. |
| nonmetal | a substance that is not shiny and does not conduct heat or electricity. |
| metalloid | a substance that contains both properties of metals and nonmetals. |
| compound | a pure substance composed of two or more elements that are chemically combined. |
| characteristic properties | each element can be identified by its unique set of properties. |
| solution | a homogeneous mixture of two or more substances uniformly dispersed throughout that appear as one substance. |
| solute | in a solution, the substance that is being dissolved by the solvent. |
| solvent | in a solution, the substance tat is dissolving the solute |
| suspension | a mixture where the particles are large enough to eventually settle out. |
| colloid | a mixture where the particles are not heavy enough to settle out and will defract or reflect light. |
| concentration | the amount of solute in a given volume. |