Calculate the number of unpaired electrons in the ground-state electron configuration of nitrogen.
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The electron configuration of nitrogen is 1s² 2s² 2p³.
There are 5 total electrons in the ground-state electron configuration of nitrogen.
To find the number of unpaired electrons, we can look at the arrangement of the electrons in the p-orbitals.
In the 2p sublevel, there are 3 p-orbitals: 2px, 2py, and 2pz.
The electron configuration of nitrogen in the p-orbitals is 2px¹ 2py¹ 2pz².
Since there are two electrons in the 2pz orbital, they are paired and do not contribute to unpaired electrons.
The 2px and 2py orbitals each contain one electron, and these are unpaired electrons.
Therefore, the number of unpaired electrons in the ground-state electron configuration of nitrogen is 2.
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