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Science Chapter 10
Foundation of Chemistry
Term | Definition |
---|---|
matter | anything that has mass and takes up space. |
atom | a small particle that is a building block of matter. |
substance | matter with a composition that is always the same. |
element | a substance that consists of just one type of atom. |
compound | a type of substance containing atoms of two or more different elements chemically bonded together. |
mixture | matter that can vary in composition. |
heterogeneous mixture | a type of mixture in which the individual substances are not evenly mixed. |
homogeneous mixture | a type of mixture in which the individual substances are evenly mixed. |
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. |
unique | having nothing else like it. |
property | a characteristic used to describe something. |
bond | a force between atoms or groups of atoms. |