Try pushing the cations so they face each other. This movement is simulating an applied force.
What property of ionic crystals are you modeling when you do this​

c (diamond),

sio2 (quartz)

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".