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The number of valence electron in the outermost shell of a nitrogen atom is a pair of electrons. Hence, the number of non - bonding electrons on a nitrogen atom is 2.

  • Nitrogen has an atomic number of 7. Hence, 7 electrons in it's shell. Using the Lewis structure with the K, L, M, N configuration in the formation of Ammonia [tex] (NH_{3}) [/tex]

  • Nitrogen has 5 Electrons in its valence shell with one each covalently bonded to each of the 3 hydrogen atoms to attain a stable state.

  • Hence, with 3 of the 5 electrons being bonded to one Hydrogen each. Then there are only two of the Nitrogen atoms which aren't paired.

Therefore, there are two non - bonding atoms.

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In ammonia (NH3) the number of non-bonded electrons are 2.

In nitrogen atom there are five electrons in its outermost shell. In ammonia (NH3) three electrons of nitrogen atom covalently bonded with three hydrogen atoms whereas the remaining two are non-bonded electrons.

Due to this non-bonded electron pair, ammonia reacts violently with oxidizing gases such as chlorine, bromine, and other halogens etc so we can conclude that 2 electrons are present in the compound of ammonia.

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