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53. 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 ? [NCERT Exemplar Problems] (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

53. 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 ? [NCERT Exemplar Problems]
(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

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
2 months ago
Answer: d

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