Which of the following is not true for atoms?

they are building blocks of matter
they are made of protons, neutrons, and electrons
they are able to be divided by a chemical reaction.
they are the smallest particle of any element.

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.