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