Module 6 Organization of Living Things, Atoms to Macromolecules

basic unit of matter

The extremely small, positively charged, dense center of an atom that contains positively charged protons and neutral neutrons.

negatively charged particle; located outside the atom nucleus

substance consisting entirely of one type of atom

attraction between molecules of the same substance

attraction between molecules of different substances; in plants, attraction between unlike molecules

material composed of two or more elements or compounds that are physically mixed together but not chemically combined

mixture of two or more substances in which the molecules of the substances are evenly distributed

substance dissolved in a solvent to make a solution

substance in which the solute is dissolved to make a solution