A chemical reaction is in which the chemical bonds are broken within reactant molecules, and new bonds are formed within product molecules in order to form a new substance. The chemical reaction tree chart diagram shows different types of chemical reaction classifications. A chemical reaction is classified into four major sections: reactant and resultant types, according to whether there is electrotransfer, according to whether it is iconic, and according to the heat effect. In general, a chemical reaction is classified as synthesis, decomposition, single replacement, double replacement, oxidation reactions, non-oxidation reactions, ionic reactions, non-ionic reactions, exothermic reactions, and an endothermic reaction.
