The lattice arrangement continues in three dimensions. This is why solid ionic compounds form crystals with regular shapes.

Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound sodium chloride. A sodium and chlorine atom are near ...

When these two charged particles come together they form an ionic bond because the positive magnesium ion is attracted to the negatively charged chlorine ion. Ionic compounds form what is known as ...