The atom that gains an electron becomes a negative ion. A positive and negative ion attract each other and form an ionic bond. Students will look at animations and make drawings of the ionic bonding ...

4. Write the charge of each ion. Here are some other examples of dot and cross diagrams for the formation of ions in some ionic compounds – magnesium oxide and calcium chloride.

Save guides, add subjects and pick up where you left off with your BBC account. Ionic bonds are very strong so the melting point of an ionic compound is high. Ionic compounds do not conduct ...