Question 30 The electronic configurations of three elements X, Y and – InterviewSolution

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1.	Question 30 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? (a) X is a metal. (b) Y is a metal. (c) Z is a non-metal. (d) Y is a non-metal and Z is a metal.
Answer» Question 30 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? (a) X is a metal. (b) Y is a metal. (c) Z is a non-metal. (d) Y is a non-metal and Z is a metal.

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