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Electron pair dot arrangement for ammonia is a representation of the valence electrons surrounding the N atom.
The dot point arrangement for NH3 unveils that the N atom joins a solitary pair of electrons with each of the three H atoms, resulting in a total of 3 shared pairs of electrons.
The ammonia molecule takes a three-sided pyramid-like structure because of the distribution of the valence electrons according to its Electron pair Beverage cup structure.
In the Lewis dotpoint depiction of NH3, the N atom
is enveloped by three spots, each representing a pair of united electrons with a H atom.