| A | B |
| density | a substance's mass per unit of volume |
| compound | A substance made of 2 or more different atoms. |
| mixture | When substances are not chemically combined, but are found together. |
| solution | When substances are not chemically combined, but thoroughly mixed together. like salt water |
| physical property | a characteristic of a pure substance that can be observed without changing it into another substance. like color |
| matter | anything that has mass and volume |
| molecule | diatomic oxygen (O2) is an example of a ____. |
| physical change | ice melting is a |
| physical property | The magnetism of a metal like iron is a |
| solute | a solid that can dissolve in a liquid |
| solvent | a liquid that dissolves stuff |
| chemical bond | holds atoms in a molecule together |