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Glencoe Chemistry - Matter And Change 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. How many valence electrons are in a carbon dioxide (CO2) molecule?

Question 2 2. What could be changed about this Lewis dot structure for IO- to make it more clear?

Question 3 3. What is the correct name for N2 O5?

Question 4 4. If carbon, electronegativity of 2.6 were to share electrons with sulfur, electronegativity 2.6, what kind of bond would it form?

Question 5 5. In hybridization, how do you know how many hybrid orbitals are formed?

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Question 6 6. What is hybridization?

Question 7 7. When naming a binary compound, what determines the prefix for an element in the compound?

Question 8 8. What is the octet rule?

Question 9 9. Which of the following statements BEST explains the molecular orbital theory?

Question 10 10. 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 11 11. When is a polar covalent bond formed?

Question 12 12. What is the correct formula name for ICl3?

Question 13 13. Why should you draw a molecule as a Lewis dot structure first before drawing it in 3D?

Question 14 14. How do you represent a triple bond in a structural formula?

Question 15 15. Why do covalent bonds form?

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Question 16 16. What does bond order refer to?

Question 17 17. What is the correct Lewis dot diagram for CH4?

Question 18 18. What does the charge on a polyatomic ion mean?

Question 19 19. A sigma bond occurs when _____.

Question 20 20. How can you use the VSEPR theory to determine if a molecule will be polar?

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Question 21 21. If oxygen with an electronegativity of 3.4 were to share electrons with lithium, electronegativity of 1.0, what kind of bond would form?

Question 22 22. What is the VSEPR theory?

Question 23 23. Identify the atom that is likely to have the highest electronegativity.

Question 24 24. What determines the order the compounds are written in for a binary compound?

Question 25 25. According to the VSEPR theory,what happens to a molecule that has an unshared pair of electrons?

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Question 26 26. What is usually the first step when drawing a Lewis dot structure?

Question 27 27. What are valence electrons?

Question 28 28. What happens in constructive interference?

Question 29 29. Which of these do you need to know to use the hybridization theory?

Question 30 30. Where are the electrons in an atom?

Glencoe Chemistry - Matter And Change 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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