| A | B |
|---|
| Element | substance that cannot be broken down into simpler substances |
| Compound | substance made up of two or more elements that are chemically combined |
| Mixture | two or more substances that have been physically combined |
| Substance | any element or compound |
| What 3 groups can matter be classified into? | elements, compounds and mixtures |
| Molecule | smallest part of a substance that has all the properties of that matter |
| Chemical Bond | force of attraction that holds atoms together |
| What elements make up water? | hydrogen and oxygen |
| How do you separate salt and water mixture? | evaporation |
| How to separate sand and water | filtering |
| How to separate salad and tomatoes | physical means |
| Mixtures | can be separates by phsical means, and keeps its own properties |
| Compounds | definite chemical composition, made up of two or more substances, elements joined chemically |
