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0. An element X combines with hydrogen to form a compound XH3. The element X is placed on the right side of the periodic table. What is true about the element X? A. Has 3 valence electrons. B. Is a metal and is solid. C. Is a non-metal and is a gas. D. Has 5 valence electrons. E. XH3 reacts with water to form a basic compound. (NTSE Stage-II,2012-13)
A, Band C
B, C and D
C, D and E
E, A and B
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