Sonya reads the element riddle below. I am shiny. I form 1 ions. There’s more! I am the most reactive metal in Period 4. Who am I? Which element is the answer to the riddle? krypton potassium sodium bromine.

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.