22 22 The atomic number of an element T is 10. T shows similar properties to...

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22 22 The atomic number of an element T is 10. T shows similar properties to an element with atomic number 23. 24. A. 14 B. 16 C. 18 d. 20 The electron configurations of elements W, X, Y and Z are 2.8.2, 2.8.3, 2.8.4, and 2.8.5 respectively. Which of the following pair of elements are non- metals? Y and Z A. B. Y and X C. W and Y D. W and X A. B. ABCD C. D. The atom which is isotopic with an element whose full symbol is 3gy is 30 R 14 34T 15 30 X 174 2 25 25 A. B. C. D. The atomic numbers of elements A and Y are 9 and 11 respectively. Which one of the following properties is shown by the compound formed when X combines with Y? It is non-conductor of electricity It has high melting point It is insoluble in water It is a gas at room temperature 22 22 The atomic number of an element T is 10. T shows similar properties to an element with atomic number 23. 24. A. 14 B. 16 C. 18 d. 20 The electron configurations of elements W, X, Y and Z are 2.8.2, 2.8.3, 2.8.4, and 2.8.5 respectively. Which of the following pair of elements are non- metals? Y and Z A. B. Y and X C. W and Y D. W and X A. B. ABCD C. D. The atom which is isotopic with an element whose full symbol is 3gy is 30 R 14 34T 15 30 X 174 2 25 25 A. B. C. D. The atomic numbers of elements A and Y are 9 and 11 respectively. Which one of the following properties is shown by the compound formed when X combines with Y? It is non-conductor of electricity It has high melting point It is insoluble in water It is a gas at room temperature

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22 The atomic number of an element T is 10 Element T belongs to group 18 of the periodic table which ... View the full answer