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

solvent The substance in which a solute dissolves

pH scale A measurement system to indicate the concentration of H+ ions in solution

Covalent bond A bond in which electrons are shared between atoms

suspension A mixture of water and nondissolved material; includes important biological fluids like blood

acid Any compound that forms H+ ions in solution

Ionic bond A bond formed between oppositely charged ions

cohesion An attraction between molecules of the same substance

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

adhesion An attraction between molecules of different substances

solution The components (parts) of these are evenly distributed throughout

base A compound that produces hydroxide (OH-) ions in solution

buffer Weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH (keep pH balanced)

solute The substance in a solution that is dissolved