I NEED HELP ASAP PLEASE

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

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.