What happens during a redox reaction? Cations interchange their positions in two compounds.
Anions interchange their positions in two compounds.
Some atoms gain electrons and some lose electrons.
All atoms gain a fixed number of electrons.

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.