1.

What is the coordination number of sodium in sodium oxide (Na2O)? (a) 6 (b) 4 (c) 8 (d) 2

Answer»

Correct Answer is: (b) 4 

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.



Discussion

No Comment Found