Chapter 2.2 Vocab Words (Miller & Levine Bio.)

hydrogen bond

attraction between a hydrogen atom on one water molecule and the oxygen atom on another

cohesion

attraction between molecules if the same substance

adhesion

attraction between molecules of different substances

mixture

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

solution

type of mixture in which all component are evenly distributed throughout

solute

substance that is dissolved

solvent

substance in which substance dissolves

suspension

mixtures of water and undissolved material

pH scale

indicates the concentration of hydrogen ions in the solution

acid

any compound that forms hydrogen ions in a solution

base

compound that produces hydroxide ions in a solutuion

buffer

weak acids or bases that can react with strong acids and bases to prevent sharp sudden changes in pH