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Properties of Matter
Term | Definition |
---|---|
Physical property | - Any characteristic material that can be observed without changing the identity of the material itself |
Chemical property | A characteristic of a substance that indicates whether it can undergo a specific chemical change |
Physical change | "- A change in the size, shape, color |
Chemical change | The change of a substance to different substances |
Pure Substance | a sample of matter with both definite and constant composition with distinct chemical properties; recipe does not change |
Element | a pure substance that cannot be broken down into other substances by either physical or chemical means; the basic material that makes up all matte |
Compound | a pure substance made of two or more different elements chemically combined in a set ratio (the recipe is always the same) |
Molecule | a neutral particle made of two or more atoms joined in a chemical bond |
Mixture | two or more substances that are mixed together but are not chemically combined; the recipe is changeable |
Solution | a well-blended mixture, containing a solvent and at least one solute, which has the same properties throughout |
Heterogeneous Mixture | a mixture in which pure substances are unevenly distributed throughout the mixture; you can see the different parts (Ex: salad, soil) |
Homogeneous mixture | a mixture in which substances are evenly distributed throughout the mixture so that you cannot see the various parts (Ex: sweet tea) |