Question

what is the coordination number of Na in Na2O ​

Answer 1

Answer:

Hello mate...

The coordination number of Na in Na2O is 4. Na+ ion is surrounded by four oxide ions and O2- ion is surrounded by eight Na+ ions hence the coordination number of Na in Na2O is 4.

Answer 2

Answer:

The coordination number of Na in Na2O is 4. Na+ ion is surrounded by four oxide ions and O2- ion is surrounded by eight Na+ ions hence the coordination number of Na in Na2O is