Lewis Beverage cup arrangement for NH3 is shown by the outer electrons surrounding the nitrogen atom. The dot point structure in the case of ammonia unveils that the nitrogen atom unites 1 pair of electrons with each of the three hydrogen atoms, resulting in a total of three connected pairs of electrons. The NH3 molecule takes a three-sided pyramid-like shape attributed to the arrangement of the valence electrons according to its Electron pair dot structure. In the Lewis dotpoint depiction of ammonia, the nitrogen atom is surrounded by three points, each representing a pair of joined electrons with a hydrogen atom.