Nitrogen molecules are triple bonded as we can see in the following diagram.
In this diagram, we can easily see that the MO electronic configuration is
(σ2s)2(σ*2s)2(π2p)4(σ2p)2
for an overall bond order of 3 (4 bonds - 1 antibond).
We see that there is a (σ2p)
bond and two (π2p)
bonds holding the molecule together in this model. The (σ2s)
and (σ*2s)
cancel each other out and don't contribute to the bonding.
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