The formula of a compound is Y3(PO4)2. The electronic configuration of the atom of Y is...

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The formula of a compound is Y3(PO4)2. The electronic configuration of the atom of Y is 15. A. 2.8.2 B. 2.8.3 C 2.8.4 16. D. 2.8.5 The atomic numbers and mass numbers of atoms, W, X, Y and Z are shown in the table below Atomic number Mass number Atom W 46 106 X 47 106 Y 47 109 Z 48 112 Which one of the following pairs of atoms are isotopes? A. W and X B. X and Y C. Y and Z 17 D. A. W and Z A metal Y and a non-metal M are elements in period 3 of the periodic Table. Which one of the following statements is not true about Y and M? The solution of the compound formed between Y and M conducts electricity B. The atomic radius of M is smaller than that of Y C. The chloride of Y is ionic while that of M is covalent D. The oxide of M is ionic while that of Y is acidic The formula of a compound is Y3(PO4)2. The electronic configuration of the atom of Y is 15. A. 2.8.2 B. 2.8.3 C 2.8.4 16. D. 2.8.5 The atomic numbers and mass numbers of atoms, W, X, Y and Z are shown in the table below Atomic number Mass number Atom W 46 106 X 47 106 Y 47 109 Z 48 112 Which one of the following pairs of atoms are isotopes? A. W and X B. X and Y C. Y and Z 17 D. A. W and Z A metal Y and a non-metal M are elements in period 3 of the periodic Table. Which one of the following statements is not true about Y and M? The solution of the compound formed between Y and M conducts electricity B. The atomic radius of M is smaller than that of Y C. The chloride of Y is ionic while that of M is covalent D. The oxide of M is ionic while that of Y is acidic

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