Electron pair dot structure for ammonia is depicted by the outer electrons surrounding the N atom. The dot point structure for ammonia exhibits that the N atom connects 1 pair of electrons with each of the three hydrogen atoms, resulting in a complete of a trio united pairs of electrons. The NH3 molecule adopts a three-sided pyramid-like structure attributed to the arrangement of the valence electrons according to its Lewis Beverage cup structure. In the dot dotpoint representation of NH3, the nitrogen atom is enveloped by three points, each representing a pair of joined electrons with a H atom.

12 Lewis Theory of Bonding Chemistry LibreTexts