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