The lewis dot structure of NH3 is given as above.
Lewis structures is also known as Lewis dot structures, electron dot structures, or Lewis electron dot structures, Lewis dot formulae, are diagrams which shows the bond between the atoms of a molecule or compound, as well as represent the lone pairs of electrons which may exist or present in the molecule.
Nitrogen have 7 as atomic number. So, the electronic configuration of nitrogen is 1s2 2s2 2p3. Three more electrons needed to attain stable electronic configuration.
Therefore, lewis structure of ammonia contain three single bond between nitrogen and hydrogen and nitrogen atom of ammonia have one lone pair of electrons which is represent above the nitrogen atom.
Thus, we concluded that nitrogen form three single bond and one lone pair of electron.
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