1. 20 The full symbols of atoms of elements R, T, X, Y and Z are...

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1. 20 The full symbols of atoms of elements R, T, X, Y and Z are 2R, 31, 30, 34X, and 5Z respectively 15 15 164, Which one of the following is an isotope of Y A. R B. T C. X D. Z 2. The electronic structure of an atom of an element Y is shown in the diagram Which one of the following is the formula of an oxide of Y YO A. B. YO3 C. YO5 D. 3. A. B. C. D. Y03 Which of the following is not a property of an element, R whose full symbol is 32S? It is a non-metal It forms an ion with the formula R2- It forms a basic oxide It is in period 3 of the periodic table 1. 20 The full symbols of atoms of elements R, T, X, Y and Z are 2R, 31, 30, 34X, and 5Z respectively 15 15 164, Which one of the following is an isotope of Y A. R B. T C. X D. Z 2. The electronic structure of an atom of an element Y is shown in the diagram Which one of the following is the formula of an oxide of Y YO A. B. YO3 C. YO5 D. 3. A. B. C. D. Y03 Which of the following is not a property of an element, R whose full symbol is 32S? It is a non-metal It forms an ion with the formula R2- It forms a basic oxide It is in period 3 of the periodic table

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An isotope of an element has the same number of protons but a different number of neutrons compared to the standard form of the element The full symbo... View the full answer