#covalency

Which element in the second period forms compounds with maximum covalency of 4?

Second period elements (Li to F) have only 2s and 2p orbitals, limiting covalency to 4. C (group 14) achieves this (e.g., CH₄), unlike Li, Be, or N.

Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Nomenclature of Elements with Atomic Number >100