10 minutes maximum! An IB Periodic Table is required. |
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1. The displayed formula for ethanol is: What are the approximate values of the H-C-H and C-O-H bond angles, labelled x and y? |
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2. Which statement is NOT true?
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3. Which molecule is polar?
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4. What is the best approximation of the C-N-H bond angle in methylamine, CH3NH2?
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5. Which species has resonance structures?
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6. The shapes of SO2 and SO3 are shown below: |
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Which row shows the correct polarity for these molecules?
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7. Which molecule has no net dipole moment?
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8. Which species have delocalized electrons in their structure?
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9. Which pair of species has the same bond angles?
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10. The Lewis structure for ozone, O3, is shown below:
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Which statement is NOT true for the ozone molecule?
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