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Géométrie des molécules NH3 ; HCl ; CH4 ; C2H4 FreeLewis Beverage cup arrangement in the case of ammonia is illustrated by the outer electrons surrounding the N atom.
The
Lewis point structure in the case of ammonia reveals that the nitrogen atom shares 1 pair of electrons with each of the three hydrogen atoms, resulting in a complete of 3 united pairs of electrons.
The ammonia molecule adopts a trigonal pyramidal structure because of the arrangement of the outer electrons according to its Lewis dot
structure.
In the dot symbol depiction of ammonia, the N atom is encircled by three points, each representing a pair of connected electrons with a H atom.