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Constructed Response . Topic 4: Chemical bonding
Set G: Molecular polarity, degree of polarity, shapes, electron configuration
Base y our answers to questions 17 through 20 on your knowledge of chemical bonding and on the
Lewis electron-dot diagrams of H2S, CO2, and F2 below.
17. Which atom, when bonded as shown, has the same 17.
electrons configuration as an atom of argon?
18. Explain, in terms of structure and/or distribution of charge, 18.
why CO2 is a nonpolar molecule?
19. Explain, in terms of electronegativity, why a C = O bond 19.
in CO2 is more polar than F – F bond in F2?
20. What is the total number of covalent bond in molecule of CO2? 20.
21. What is the shape and molecular polarity of H2S? 21. Shape:
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Molecular Polarity:
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Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 377
Set G: Molecular polarity, degree of polarity, shapes, electron configuration
Base y our answers to questions 17 through 20 on your knowledge of chemical bonding and on the
Lewis electron-dot diagrams of H2S, CO2, and F2 below.
17. Which atom, when bonded as shown, has the same 17.
electrons configuration as an atom of argon?
18. Explain, in terms of structure and/or distribution of charge, 18.
why CO2 is a nonpolar molecule?
19. Explain, in terms of electronegativity, why a C = O bond 19.
in CO2 is more polar than F – F bond in F2?
20. What is the total number of covalent bond in molecule of CO2? 20.
21. What is the shape and molecular polarity of H2S? 21. Shape:
Teacher Preview Copy
Molecular Polarity:
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Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 377
