chemical reactions do not cause the total number of atoms to change
breaking_chemical_bond is chemical_reaction. oxidation is chemical_reaction. oxidation_reaction is chemical_reaction. binary_chemical_reaction is chemical_reaction. chemical_synthesis is chemical_reaction. chemical_decomposition is chemical_reaction. decomposition is chemical_reaction. nuclear_reactions is not_chemical_reactions. chemical_reaction is chemical_process. chemical_bonding is chemical_reaction.