Question

explain the formation of Ammonia ion from Ammonia molecule and hydrogen ion​

Answer 1

Explanation:

When one atom supplies both electrons in forming a two-electron bond, it is known as a dative covalent or coordinate bond. If two atoms contribute one electron each, it is known as a simple covalent bond.

In this case, the nitrogen atom has a lone pair of electrons that coordinates to the hydrogen cation, which has zero electrons, forming a covalent bond. The resultant bond is now indistinguishable from the other three nitrogen-hydrogen bonds. This is important. The difference between simple and dative covalent bonds is in how they are made, but after they are made, they are the same bond.

For example you can hypothetically form hydrogen in two ways, giving the same molecule

Dative covalent

H−+H+→H2

Simple covalent

H.+H.→H2

Answer 2

Formation of ammonia molecule: Nitrogen (N) atom has 5 electrons (2, 5) in the outermost shell. It shares one electron each of three hydrogen atoms to form ammonia molecule.