Question

what is meant by covalency ? explain this statement : nitrogen shows a maximum covalency of 4 .

Answer 1

Covalency is the ability of an atom to form maximum number of covalent bonds.
Carbon has a covalency of 4, meaning Carbon can form maximum four covalent bonds with any other atom or molecule.
Nitrogen has covalency of 3, means it can form 3 covalent bonds at maximum.

Answer 2

HEY FRND hope it helps..
covalency - valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
"nitrogen show's a maximum valency of 3 "-by this it is meant that nitrogen can share a maximum of 3 of its electrons with another element.N2, each nitrogen atom shares its three electrons with the other atom.
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