Why beryllium does not exihibit the coordination number more than four

1.	Why beryllium does not exihibit the coordination number more than four?
Answer» ANSWER: Explanation: Beryllium has no vacant d ORBITAL,so it can't extend its coordination NUMBER beyond 4.Hope you UNDERSTOOD.

Why beryllium does not exihibit the coordination number more than four?

Answer»

Explanation:

Beryllium has no vacant d ORBITAL,so it can't extend its coordination NUMBER beyond 4.Hope you UNDERSTOOD.