Covalent Bonds 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. Why are metals malleable?

Question 2 2. What is the electron sea model?

Question 3 3. What is a London dispersion force?

Question 4 4. In larger atoms, why can outer electrons move more freely?

Question 5 5. What is bond energy?

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Question 6 6. 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?

Question 7 7. Which of the following is NOT one of the properties held by ionic compounds?

Question 8 8. Calcium iodide has a lower melting point than calcium fluoride. Choose the best response.

Question 9 9. What is an attraction between two atoms and a force that holds them together?

Question 10 10. Which family of elements rarely forms single covalent bonds?

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Question 11 11. Why do some molecules have resonance?

Question 12 12. In a Lewis dot structure, what do the dots represent?

Question 13 13. Hydrogen bonds exist between X and Y. Which combination could be X and Y?

Question 14 14. Identify the requirement for a dipole-dipole force to exist.

Question 15 15. When naming a binary compound, what determines the prefix for an element in the compound?

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Question 16 16. Which are the outermost electrons of an atom?

Question 17 17. How many electrons are most likely transferred to or from Ca when it forms an ion? That is, what is the most likely valence?

Question 18 18. Determine the covalences of P in the molecules PF3 and PCl5.

Question 19 19. Water tension is an example of ______.

Question 20 20. What is a polar molecule?

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Question 21 21. What is the shape of a Boron Trifluoride molecule, BF3?

Question 22 22. How many bonding domains are needed for a molecule to have a tetrahedral shape?

Question 23 23. How is a covalent bond formed?

Question 24 24. If carbon, electronegativity of 2.6 were to share electrons with sulfur, electronegativity 2.6, what kind of bond would it form?

Question 25 25. What is the name of this compound?

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Question 26 26. What is the name of a hydrocarbon that has both double and triple bonds?

Question 27 27. Which of these do you need to know to use the hybridization theory?

Question 28 28. Why does hybridization work?

Question 29 29. Which of the following would be good at conducting electricity?

Question 30 30. What causes a dipole?

Covalent Bonds 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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