Unit 2 Vocab

Compound that forms hydrogen ions in solution; a solution with a pH of less than 7.

• Acid

• Base

• Neutral

• pH scale

Energy input that is needed for a reaction to begin.

• Catalyst

• Electron

• Activation energy

• Product

Force of attraction between different kinds of molecules.

• Cohesion

• Adhesion

• Covalent bond

• Hydrogen bond

Compound with an amino group on one end and a carboxyl group on the other end.

• Chemical reaction

• Reactant

• Suspension

• Amino acid

The basic unit of matter.

• Cells

• Atom

• Enzyme

• Solute

Compound that produces hydroxide ions in solution; solution with a pH of more than 7.

• Acid

• Base

• Neutral

• Element

Compound that prevents sharp, sudden changes in pH.

• Product

• Isotope

• Buffer

• Acid

Compound made of carbon, hydrogen, and oxygen atoms; types of nutrients that are the major source of energy to the body.

• Lipid

• Protein

• Nucleic Acid

• Carbohydrate

Substance that speeds up the rate of a chemical reaction.

• Catalyst

• Buffer

• Ion

• Mixture

Process that changes, or transforms, one set of chemicals into another set of chemicals.

• Catalyst

• Enzyme

• Chemical reaction

• Mixture