Why the maximum covalency of boron is on...

Why the maximum covalency of boron is only four where as that of aluminium is six ?

Verified by Experts

Aluminium has vacant d orbitals, hence it can expand its octet.
In boron, there are no d-orbitals at all. Hence it cannot expand its octet.

Similar Questions

Explore conceptually related problems

The maximum covalency of nitrogen is

Maximum covalency of nitrogen is four. Explain.

The maximum covalency of aluminium is 6 where as that of boron is '4' because

The maximum covalency of aluminium is '6' where as that of boron is '4' because

The maximum co - valancy of aluminium is '6' where as that of boron is '4' because

Write any four uses of aluminium.

What is the maximum covalency of oxygen ? Give examples.

The maximum covalency of Be and Mg respectively