| A | B |
|---|
| Chemistry | The study of properties and how matter changes. |
| Element | Building blocks of all matter. |
| Atom | The smallest particle to still be an element. |
| Symbol | One or two letter set of characters used to identify an element. |
| Compound | A substance made of two or more elements chemically combined in a specific ratio. |
| Formula | Shows the elements present and the ratios of those elements. |
| Mixture | Two or more substances that are in the same location. Not chemically combined. |
| Chemical Change | A change in matter that produces new substances. |
| Physical Change | A change that alters the material, but does not make the material into another substance. |
| Chemical Reaction | When two or more chemicals react to form something new. |
