PDF chapter test TRY NOW
1. Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
2. The electronic configurations of three elements X, Y and Z are X — \(2, 8\); Y — \(2, 8, 7\) and Z — \(2, 8, 2\). Which of the following is correct?
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