The slideshow shows how a covalent bond forms between a hydrogen atom and a chlorine atom, making hydrogen chloride. A simple molecule contains only a few atoms, so the sizes of atoms and simple ...

Covalent compounds do not conduct electricity ... Sodium will lose an electron and form a positive ion. Chlorine will gain an electron and form a negative ion. The ionic bond is the force of ...

A small piece of sodium metal is placed in a flask of chlorine gas. A little water helps expose the sodium so it can react with the chlorine gas. The reaction releases a lot of heat as the ionic ...