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