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Prentice Hall Chemistry Chapter 8: Covalent Bonding Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Intermolecular forces do NOT have effect on _____.

Question 2 2. What is bond energy?

Question 3 3. When drawing Lewis dot structures, what should you do if you run out of electrons before all atoms are satisfied?

Question 4 4. How many bonds can hydrogen form?

Question 5 5. What happens when both of the orbitals in a molecule are in phase, either both positive or both negative, and the electrons in the bonds are at their lowest energy level?

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Question 6 6. What is a nonbonding electron domain?

Question 7 7. If a central atom of a molecule only has two electron domains, what is the bond angle associated with the molecule?

Question 8 8. In a Lewis dot structure, what do the dots represent?

Question 9 9. Which of the following is a definition of a nonpolar covalent bond?

Question 10 10. What is a polar molecule?

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Question 11 11. Where are the electrons in an atom?

Question 12 12. What is a covalent bond?

Question 13 13. What is the best definition for resonance?

Question 14 14. Which of the following best describes this molecular formula 3H2O? (Note the 2 after the hydrogen atom is subscripted)

Question 15 15. How many dots should be around an elemental symbol in a Lewis dot diagram if it has a full octet?

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Question 16 16. Which of the following is a true statement when writing the molecular formula for an ionic compound?

Question 17 17. How many total dots should the diagram for silicon tetrahydride, SiH4 include?

Question 18 18. What would be the correct Lewis dot diagram for arsenic trifluoride AsF3?

Question 19 19. London dispersion force is the only intermolecular force that works on _____.

Question 20 20. What does the charge on a polyatomic ion mean?

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Question 21 21. Why do covalent bonds form?

Question 22 22. What is the correct Lewis dot diagram for CH4?

Question 23 23. Why is water a bent molecule and not linear?

Question 24 24. How many valence electrons are in a carbon dioxide (CO2) molecule?

Question 25 25. What is the shape of a Boron Trifluoride molecule, BF3?

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Question 26 26. How do you represent a triple bond in a structural formula?

Question 27 27. Which of the following best describes this molecular formula H2O? (Note the 2 is subscripted)

Question 28 28. What causes a dipole?

Question 29 29. Identify the requirement for a dipole-dipole force to exist.

Question 30 30. Which of the following is true about polar covalent bonds?

Prentice Hall Chemistry Chapter 8: Covalent Bonding Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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