They create salt when put together
I believe the correct answer from the choices listed above is option A. Fan blades would be an analogy for electron cloud model. Austrian physicist Erwin Schrödinger (1887-1961) developed an “Electron Cloud Model<span>” in 1926. It consisted of a dense nucleus surrounded by a cloud of electrons. Hope this helps.</span>
C6H6(l) + 6 Cl2(g) = C6Cl6(s) + 6 HCl(g)
D. The particles are tightly packed together