An acid is a substance that loses protons to other substances known as bases



            Formation of Hydrogen Gas from Acids



Bases can react with other substances known as "acids" by forming a new bond with the proton that originally belonged to the acid



            Reaction of Sodium and Water


Biological Molecules

Biological molecules are those compounds common to most all living systems;  biological molecules include carbohydrates (mono- and polysaccharides), proteins, lipids (fats and oils), and nucleic acids


            Liquid Nitrogen Ice Cream


            Making Plastic from Protein



Inorganic Compounds

Inorganic compounds are compounds comprised primarily of elements other than carbon; there are approximately one million inorganic compounds


            Formation of a Copper Mirror

            Oxidation of an Organic Compound


Organic Compounds

Organic compounds are compounds comprised primarily of carbon in addition to other elemests;  there are approximately 18 million organic compounds


            Instant Fire

            Oxidation of an Organic Compound

            Reaction of Acetylene and Chlorine Gases


Covalent Compounds

Covalent compounds contain atoms joined by covalent bonds which are paired electrons



            Reaction of White Phosphorus and Chlorine


Ionic Compounds

Ionic compounds are formed of positive cations and negative anions which are held together simply by the rule "unlike charges attract"



             Reaction of Zinc and Iodine



Metals are typified by being shiny, malleable, ductile, conductors of electricity and are found on the left side of the Periodic Table



            Reaction of Sodium and Water



Monomers are the building blocks for polymers


            Synthesis of Nylon

Polymers are gigantic molecules formed of individual starting molecules  known as monomers


            Combustion of Nitrocellulose

            Making Plastic from Protein

            Synthesis of Nylon