| Term | Definition |
|---|
| Matter | anything that has mass and takes up space |
| Atom | the smallest part of an element that has the chemical properties of an element |
| Elements | pure substances that can not be changed into simpler substances |
| Elements | composed of 1 type of atom |
| Elements | Ex: Nitrogen, Oxogen, Calcium |
| Compounds | pure substances that are made of two or more elements chemically combined |
| Compounds | made of 2 or more types of atoms, chemically combined |
| Compounds | Ex: water, salt, carbon dioxide |
| Mixtures | composed of two or more different substances that are physically combined |
| Mixtures | two different kinds- Heterogeneous and homogeneous |
| Mixtures | Ex: blood, soil, salad |
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