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matter
| Question | Answer |
|---|---|
| atom | smallest unit of matter |
| molecules | 2 or more atoms held together from a chemical bond |
| matter | anything that has mass and takes up space |
| elements | are one or more atoms of the same kind bonded together |
| compounds | are 2 or more different atoms bonded together |
| pure substance | It is a substance made up of one type of atom and they are chemically bonded and have to be chemically separated. |
| Mixture | is a substance made up of 2 or more different types of atoms and are not bonded so they have to be physically separated. |
| Homogeneous | Particles in mixture are evenly distributed |
| Heterogenous | particles are not evenly distributed |