Electron pair Beverage cup structure for NH3 is depicted by the outer electrons surrounding the N atom.
The dot dot structure for NH3 exhibits that the nitrogen atom unites one pair of electrons with each of the three H atoms, resulting in a overall of three united pairs of electrons.
The ammonia molecule takes a trigonal pyramidal structure due to the placement of the outer electrons according to its Lewis Beverage cup arrangement.
In the Lewis dotpoint depiction of ammonia, the N atom is enveloped by three points, each representing a pair of joined electrons with a H atom.
104 Covalent Lewis Structures Chemistry LibreTexts