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chapter 10
foundations of chemistry ~
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| atom | a small particle that is the building block of matter |
| substance | matter with a composition that is always the same |
| element | a substance that consists of only one type of atom |
| compound | a substance containing atoms of two or more different elements chemically bonded together |
| mixture | matter that can vary in composition |
| heterogeneous mixture | a mixture in which substances are not evenly mixed |
| homogeneous mixture | a mixture in which two or more substances are evenly mixed but not bonded together |
| dissolve | to form a solution by mixing evenly |
| physical property | a characteristic of matter that you can observe or measure without changing the identity of the matter |
| mass | the amount of matter in an object. |
| density | the mass per unit volume of a substance |
| solubility | the maximum amount of solute that can dissolve in a given amount of solvent at a given temperature and pressure |
| physical change | a change in the size, shape, form, or state of matter that does not change the matter's identity |
| chemical property | the ability or inability of a substance to combine with or change into one or more new substances |
| chemical change | a change of one or more substances into one or more other substances with different physical and chemical properties |
| concentration | the amount of a particular solute in a given amount of solution |
| thermal | heat |