Most chemical reactions release energy or are exothermic. However, some reactions, such as some decompositions, absorb energy. These reactions can be best explained by which of these? A) Energy is destroyed in the chemical reaction. B) The products have less energy stored in their chemical bonds. C) The products have more energy stored in their chemical bonds. D) The reactants have the same energy stored in their chemical bonds.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.