CHM 2210C Chapter 2 Part C Sample Exam

Chapter 2 Part C: Polarity of Molecules 10 points

Draw the dot structure for the following compounds, then state whether the molecule is polar or nonpolar:

The electronegativity of selected nonmetal elements: F 4.0; O 3.5; N 3.0; Cl 3.0; Br 2.8; C 2.5; S 2.5; H 2.1; P 2.1

_____________1. H2O _____________2. CO2 __________ _ _3. C2H4 _______ ______4. SO2 __________ ___5. SO3 ________ _____6. HCN _________ ____7. CH4 ________ _____8. NH3 ________ _____9. CH2O _________ ____10. C2H2 __________ __Bonus. PF5 __________ __Bonus SF6

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