28. An element X is represented as 40 18X. (Note that X does not represent the actual symbol of the element)
a) Give the number of protons, neutrons and electrons in an atom of the element (1 mark)

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.