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Unit 12
Term | Definition |
---|---|
Atom | The smallest unit of an element that maintains the proprties of that element |
Element | A substance that cannot be separated or broken down into simpler substances by chemical means |
Compond | A substance made up of atoms of two or more different element joined by chemical bonds |
Mxiture | A combination of two or more substance that are not chemically combined |
Pure Substance | A sample of matter, either a single element or a single element or a single compound, that definite chemical and phsyical properties |
Heterogenous | descirbes something that has a unifrom structure or compos |
Homogenous | |
Solid | |
Liqud | |
Gas | A from of matter that does not have a definite volume or shape |
Freezing | The change of state from a liqud to solid |
Melting | The change of state from a solid to a liqud |
Evaporation | The change of state from a liqud to gas that usually occurs at the surface of a liqud over a wide range of temperatures |
Boilling | The change of state from a liqud to gas that occurs at a specific temperatures. |
Condensation | The change of state from a gas to liqud. |
Sublimation | The change of state from a solid directly to a gas |
Deposition | The change of state from a gas to solid |