2.2+Simple+Molecules

__SIMPLE MOLECULES__ In chemistry, the structure of a non-metallic element or compound, in which groups of atoms are joined together by covalent bonds to form a molecule. The molecules of non-metals are often made up of two identical atoms covalently bonded together, for example: An example of a simple molecule
 * ** Oxygen (O2) **
 * ** Hydrogen (H2) **
 * ** Nitrogen (N2) **