Lewis Beverage cup arrangement for NH3 is a representation of the outer electrons surrounding the nitrogen atom.
The Lewis point structure for ammonia reveals that the nitrogen atom connects one pair of e- with each of the three H atoms, resulting in a complete of three connected pairs of electrons.
The ammonia molecule adopts a trigonal pyramidal shape attributed to the distribution
of the valence electrons according to its Lewis dot structure.
In the dot dotpoint depiction of NH3, the nitrogen atom is enveloped by three points, each representing a pair of united electrons with a H atom.
62 Lewis Dot and Bonding Chemistry LibreTexts
