Relier Pairs Reactions and chemical equatioVersion en ligne Relate columns about this topic par José Aarón Lara Velázquez 1 Chemical reaction 2 Law of conservation of mass 3 Reactants 4 Combustion reaction 5 6 Replacement reactions 7 Products 8 Decomposition reaction 9 Synthesis reaction 10 Coefficient 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. 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. It's a number written in front of a reactant or a product. They are the substances formed during a chemical reaction. They involve the replacement of an element in a compound. 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 the process by which the atoms of one or more substances are rearrenged to form different substances.