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Unformatted text preview: Grodin, Micah Webquiz 1 Due: Feb 3 2006, 11:00 pm Inst: Sara Sutcliffe 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points A metal (call it X) in Group IIA of the peri- odic table forms a compound with an element (call it Y) of Group VIIA. What would be the most likely formula and nature of the compound? 1. XY 6 ; covalent 2. XY 2 ; covalent 3. XY 2 ; ionic correct 4. X 2 Y; covalent 5. X 2 Y; ionic Explanation: Metals reacts with non-metals to form ionic compounds, which involve the transfer of elec- trons. A metal X in group IIA would have two valence electrons. It would lose two electrons to become isoelectronic with the preceding noble gas. This metal would now have two fewer electrons than protons and would have a +2 charge....
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- Fall '05