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