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Electron pair Beverage cup structure in the case of NH3 is depicted by the outer electrons surrounding the N atom.
The Lewis dot arrangement in the case of ammonia exhibits that the N atom joins one pair of electrons with each of the three hydrogen atoms, resulting in a complete of 3 connected pairs of electrons.
The ammonia molecule takes a trigonal pyramidal shape because of the arrangement of the outer electrons according to its Lewis Beverage cup structure.
In the Lewis symbol depiction of NH3, the N atom is encircled by three points, each representing a pair of shared electrons with a hydrogen atom.