| A | B |
|---|
| pure substance | element or compound |
| element | contains only one type of atom |
| compound | contains 2 or more elements in a fixed proportion |
| atom | smallest particle of an element |
| heterogeneous mixture | mixture has noticably different parts |
| homogeneous mixture | evenly distributed mixture |
| solution | liquid homogenious mixture |
| suspension | mixture with small particles that settle |
| colloid | heterogeneous mixture that scatters light |
| physical property | characteristics that can be observed or measured |
| viscosity | resistance to flowing |
| conductivity | ability to allow heat flow |
| malleability | ability to be hammered w/o shattering |
| melting point | temperature that a solid changes to a liquid |
| boiling point | temperature where a liquid changes to a gas |
| filtration | process of separating materials based on size |
| distilation | separation of materials based on boiling point |
| physical change | a change that doesn't change the chemical composition |
| chemical property | ability to produce a change in chemical composition |
| flamability | ability to burn |
| reactivity | how readily a substance combines chemically |
| chemical change | change in chemical composition |
| precipitate | solid result of a chemical reaction |
