Matching Pairs Reactions and chemical equatioOnline version Relate columns about this topic by José Aarón Lara Velázquez 1 Coefficient 2 Synthesis reaction 3 Reactants 4 Law of conservation of mass 5 Products 6 Decomposition reaction 7 Replacement reactions 8 Combustion reaction 9 Chemical reaction 10 It separates reactants from products. It's a chemical reaction in which two or more substances (A and B) react to produce a single product (AB). It's a number written in front of a reactant or a product. It's a chemical reaction in which a single compound breaks down into two or more elements or new compounds. They involve the replacement of an element in a compound. They are the substances formed during a chemical reaction. Matter is neither created nor destroy. They are the starting substances on a chemical reaction It's the process by which the atoms of one or more substances are rearrenged to form different substances. It's a chemical reaction in which oxygen combines with a substance and releases energy in the form of heat and light.