| A | B |
|---|
| matter | anything that has mass or volume |
| molecule | the smallest physical unit of an element or compound |
| physical proproty | a proproty that describes a physical state of being |
| chemical proproty | proproty made visible by a chemical reaction |
| element | pure chemical substance consisting of one type of atom |
| compound | pure chemical supstance consisting of 2 or more different elements |
| heterogeneous mixture | different substances that remain physically seperate |
| homogeneous mixture | diffemt substances that are physically joined |
| physical change | change affecting the form of a chemical substances |
| chemical change | 2 substances combining to form a new substance |
| atom | basic unit of matter |
| chemical bond | an attraction between atoms that forms chemical substances |
