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Electron pair dot structure for NH3 is illustrated by the valence electrons surrounding the N atom.
The dot dot arrangement in the case of ammonia unveils that the nitrogen atom connects 1 pair of e- with each of the three hydrogen atoms, resulting in a complete of a trio connected pairs of electrons.
The ammonia molecule takes a trigonal pyramidal shape due to the distribution of the outer electrons according to its Lewis Beverage cup structure.
In the dot symbol representation of NH3, the N atom is enveloped by three points, each
representing a pair of joined electrons with a hydrogen atom.