Mrs. Pegg Chemistry Vocabulary

Cohesion

• attraction between molecules of different substances

• attraction between molecules of the same substance

• a material composed of two or more elements

• ions gradually become dispersed in water

Adhesion

• attraction between molecules of different substances

• attraction between molecules of the same substance

• a material composed of two or more elements

• ions gradually become dispersed in water

Mixture

• attraction between molecules of different substances

• attraction between molecules of the same substance

• a material composed of two or more elements

• ions gradually become dispersed in water

Solution

• attraction between molecules of different substances

• attraction between molecules of the same substance

• a material composed of two or more elements

• ions gradually become dispersed in water

Solute

• a substance that is dissolved

• the substance in which the solute dissolves

• a compound that releases H+ ions into a solution

• a compound that produces hydroxide (OH-) ions in solutions

Solvent

• a substance that is dissolved

• the substance in which the solute dissolves

• a compound that releases H+ ions into a solution

• a compound that produces hydroxide (OH-) ions in solutions

Acid

• a substance that is dissolved

• the substance in which the solute dissolves

• a compound that releases H+ ions into a solution

• a compound that produces hydroxide (OH-) ions in solutions

Base

• a substance that is dissolved

• the substance in which the solute dissolves

• a compound that releases H+ ions into a solution

• a compound that produces hydroxide (OH-) ions in solutions

Buffer

• weak acids or bases to prevent sudden changes in pH

• fats, oils, and waxes, macromolecules that are not soluble in water

• sugar, starch, cellulose; carbon hydrogen and oxygen atoms

• polymers of molecules called amino acids

Lipid

• weak acids or bases to prevent sudden changes in pH

• fats, oils, and waxes, macromolecules that are not soluble in water

• sugar, starch, cellulose; carbon hydrogen and oxygen atoms

• polymers of molecules called amino acids