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Lewis dot arrangement for ammonia is depicted by the outer electrons surrounding the N atom. The dot dot structure in the case of ammonia reveals that the N atom joins one pair of electrons with each of the three H atoms, resulting in a total of 3 joined pairs of electrons. The NH3 molecule takes a three-sided pyramid-like shape because of the placement of the valence electrons according to its Lewis dot arrangement. In the dot symbol depiction of NH3, the N atom is enclosed by three spots, each representing a pair of connected electrons with a hydrogen atom.

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