The purple spheres represent the Na+ ions, while the green spheres represent the Cl− ions. (A) In an expanded view, the distances between ions are exaggerated, more easily showing ...The purple spheres represent the Na+ ions, while the green spheres represent the Cl− ions. (A) In an expanded view, the distances between ions are exaggerated, more easily showing the coordination numbers of each ion. (B) In a space filling model, the electron clouds of the ions are in contact with each other. (Public Domain; (A) Eloy; (B) Ben Mills (Wikimedia: Benjah-bmm27) via (A) http://commons.wikimedia.org/wiki/File:NaCl-estructura_cristalina.svg; (B) http://commons.wik…
