why Nitrogen has maximum covalency of 4
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Ans. Covalency of an atom is the number of bonds it can form with other atoms within a molecule.
Now, Nitrogen has two 2s and three 2p valence electrons. Now by sharing three 2p electrons, nitrogen can form three covalent bonds along with a lone pair of electrons. But still it can donate its two lone pair electrons to form a fourth Bond as well.
Thus in total it can be able to form only 4 bonds i.e, why nitrogen has maximum covalency of 4.
Now, Nitrogen has two 2s and three 2p valence electrons. Now by sharing three 2p electrons, nitrogen can form three covalent bonds along with a lone pair of electrons. But still it can donate its two lone pair electrons to form a fourth Bond as well.
Thus in total it can be able to form only 4 bonds i.e, why nitrogen has maximum covalency of 4.
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