What is reactivity siries of metal??

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

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