| A | B |
|---|
| pure substance | a substance that cannot be separated by physical means |
| mixture | the physical combination of two or more substances |
| element | a substance made of one kind of atom, found on the periodic table |
| compound | a substance created by two or more elements chemically reacting and joining together |
| Octet rule | an element is most stable with 8 valence electrons |
| homogeneous mixture | a mixture that is evenly distributed |
| heterogeneous mixture | a mixture that is unevenly distributed |
| solution | a homogeneous mixture can also be called this |
| solute | stuff being dissolved |
| solvent | stuff doing the dissolving |
