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Electron pair Beverage cup arrangement for ammonia is a representation of the outer electrons surrounding the nitrogen atom.
The Lewis point arrangement in the case of ammonia exhibits that the nitrogen atom connects 1 pair of electrons with each of the three H atoms, resulting in a complete of 3 shared pairs of electrons.
The NH3 molecule takes a three-sided pyramid-like form attributed to the distribution of the valence electrons according to its Lewis dot structure.
In the dot symbol depiction of NH3, the N atom is surrounded by three points, each representing a pair of united electrons with a hydrogen atom.