Question

Beryllium doesnot exhibit covalency beyond 4.
If this is true enter 1, if false enter 0.

Answer 1

Beryllium does not exhibit a covalency beyond 4.

Beryllium does not exhibit coordination number more than four as it has four orbitals in the valence shell. The other members of this group has coordination number 6 due to the presence of d orbitals.