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Holt Physical Science Chapter 13: Chemical 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 does silicon have?

Question 2 2. In which energy level is the outer electron in rubidium located?

Question 3 3. Which element in the second column is likely to be the most reactive?

Question 4 4. What is a valence electron?

Question 5 5. What do you look at in the periodic table to determine the number of valence electrons possessed by an element?

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Question 6 6. If a silicon atom has four valence electrons, what is the maximum number of bonds it can form?

Question 7 7.

Which of the following statements are true?

I. Noble gases complete their valence level by sharing electrons.

II. Covalent bonds are weak and easily broken.

III. Covalent bonds allow us to make predictions on how the molecule will look.

Question 8 8. What is an anion?

Question 9 9. Which of the following best describes the octet rule?

Question 10 10. How are ions formed?

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Question 11 11.

Which of the following statements is true?

I. In an ionic bond, electrons move toward the atom that is more electronegative.

II. A cation is a negatively charged atom.

III. A positively charged atom is called an anion.

IV. Under biological conditions, ionic bonds are stronger than covalent bonds.

Question 12 12. What is the octet rule?

Question 13 13. Which of the following would be good at conducting electricity?

Question 14 14. How many dots would you put around carbon, a group IVA element?

Question 15 15. Which of the following atoms is most likely to participate in an ionic bond with chlorine, an atom with 7 valence electrons?

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Question 16 16. Which of the following elements has the same number of valence electrons as aluminum?

Question 17 17. Why are metals shiny?

Question 18 18. How many valence electrons does krypton have?

Question 19 19. What does a Lewis dot diagram allow you to show?

Question 20 20. How are metallic bonds different from ionic and covalent bonds?

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Question 21 21. What charge do group IVA atoms have when they become ions?

Question 22 22. Why are metals malleable?

Question 23 23. What is the electron sea model?

Question 24 24. A Magnesium atom is most likely to have what charge as an ion?

Question 25 25.

If a carbon atom has four valence electrons, which of the following statements are true?

I. Carbon can form a triple covalent bond with another carbon atom.

II. A carbon atom cannot form two double bonds simultaneously.

III. A carbon atom can form four single covalent bonds simultaneously.

Holt Physical Science Chapter 13: Chemical Bonding Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

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