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matterL4
pure substances and mixtures
| Term | Definition |
|---|---|
| atom | the smallest unit of an element that maintains the propties of that element |
| element | a substance that cannot be spared or broke down |
| compound | a substance made up of atoms of to or more difference elements |
| mixture | a combo of 2 or more substances that are not chemically combined |
| pure substance | a sample fo matter eather a single element or a single compound |
| heterogeneouns | an organic compound composed only of carbon and hydrogen |
| homogeneous | describes something that has uniform structure or composition thought. |
| Solid | the state of matter in witch the volume and shape of a substance are fixed |
| liquid | the state of matter that has a definite volume but not shape |
| gas | a form of matter that dose not have a definite volume or shape |
| freezing | the change of state from a liquid to a solid |
| melting | the change of a state from a solid to a liquid |
| evaporation | the change of state from a liquid to a gas |
| boiling | the change of state from a liquid to a gas that occurs at a specif temp. |
| condenation | the change of state from a gas to a liquid |
| sublimation | the change of state from a solid to a gas |
| deposition | change of state from a gas to a solid |