10 minutes maximum! An IB Periodic Table is required. |
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1. Which is the correct Lewis (electron dot) structure for the PCl3 molecule? |
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2. What is the total number of valence electrons in the ethanoate ion, CH3CO2- ?
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3. Which species is trigonal planar in shape?
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4. How many electron domains are on the carbon atom in carbon dioxide, CO2?
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5. What is the shape of the ammonia, NH3, molecule?
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6. Which row shows the correct electron domain geometry and molecular geometry for the NH2- ion?
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7. Which statement is NOT true for the H3O+ ion?
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8. What is the shape of the carbonate ion, CO32-?
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Q9-10 9. Which is the correct Lewis (electron dot) structure for SF2? |
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10. What is the correct molecular shape for SF2 and will the molecule be polar or non-polar?
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