How many number of electrons are involved in the formation of a nitrogen molecule?

Three

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Four

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Eight

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Six

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Solution

The correct option is D Six
The electronic configuration of $N$ atom is $1 s^{2} 2 s^{2} 2 p^{3}$
Hence, $3$ electrons are required to complete the electronic configuration.
So, each $N$ atom share three electrons.

From here we can conclude that total six electrons are involved in the formation of $N_{2}$ molecule.
This type of chemical combination is known as the covalent combination.

The structure of the nitrogen molecule is: $N \equiv N$

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