An element X of group 15 exists as a diatomic molecule and combines with hydrogen at 773 K in presence of the catalyst to form a compound, ammonia which has a characteristic pungent smell.
(a) Identify the element X. How many valence electrons does it have?
(b) Draw the electron dot structure of the diatomic molecule of X. What type of bond is formed in it?
(c) Draw the electron dot structure for ammonia and what type of bond is formed in it?

(a) The element is Nitrogen. It has 5 electrons in its outermost shell.
(b) The electron dot structure of Nitrogen is shown below:
Nitrogen forms a triple covalent bond.
(c) The electron dot structure of Ammonia is shown below:

Ammonia forms covalent bonding.

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Updated on: 10-Oct-2022

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