chemical reaction 1. The equation shows a --the breaking and forming of chemical bonds that leads to a reactant product nonpolar covalent bond polar covalent bond equal to different from hydrogen bond change in the composition of matter. 2. In the equation, CO2 is a 3. In the equation, C6H12O6 is a 4. In O2, the type of bond that holds the two oxygen atoms together is a 5. In H2O, the type of bond that holds one of the hydrogen atoms to the oxygen atom is a 6. The number of oxygen atoms on the left side of the equation is atoms on the right side. the number of oxygen