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Chemical Compounds & Bonds Overview 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!

Page 1

Question 1 1. Homogeneous mixtures are often referred to as _____.

Question 2 2. Which statement is false?

Question 3 3. Which of the following metals is pickled, or purified, by HCl?

Question 4 4. You are asked to determine the density of a solid rectangular box. The box has a length of L = 1.5 m, a width of w = 0.5 m, and a height of h = 1.0 m. Calculate the density of this box if it has a mass of 4.5 kg. Note: the volume of a rectangular box V = L * w * h.

Question 5 5. Arrange the following from lowest to highest electron affinity: Rb, As, Cl and Ga.

Page 2

Question 6 6. A glycosidic bond forms by a(n) _____ reaction.

Question 7 7. Under what conditions does capillary action occur?

Question 8 8. What are electron orbitals?

Question 9 9. What is the name of the process that occurs when a solid changes to a liquid?

Question 10 10. The following structures are considered to be what in relation to the organic compound pentane?

Page 3

Question 11 11. A technique that uses the color of a flame to indicate if certain metals are dissolved in liquids is called a(n) _____.

Question 12 12. What does CFC stand for?

Question 13 13. Which of the following not an accurate description of the empirical formula of a compound?

Question 14 14. Every _____ has a geometric isomer that is the corresponding cis fat.

Question 15 15. HF is formed through what type of bond?

Page 4

Question 16 16. How many carbons atoms are there in heptane?

Question 17 17. Convert 220 pounds to kilograms, given that 2.2 pounds is equal to 1 kilogram.

Question 18 18. Which of the following is NOT a homogeneous mixture?

Question 19 19. One of the major uses of nonane is _____.

Question 20 20. Which organ in the body uses HCl for digestion?

Page 5

Question 21 21. A metal sphere has a density of 2.5 kg/cubic meters and a mass of 12.5 kg. What is the volume of the sphere?

Question 22 22. Which has the lowest electron affinity?

Question 23 23. Glycosidic bonds are the bonds the hold together a glycoside. A glycoside is _____.

Question 24 24. How is blood able to exhibit capillary action in a small glass tube?

Question 25 25. What is the best definition of a covalent bond?

Page 6

Question 26 26.

The melting point of acetylsalicylic acid is reported in scientific literature as 135-136 degrees Celsius. Which of these two students had the most pure sample, and why?

Student 1: Melting range = 130 - 132 degrees Celsius

Student 2: Melting range = 133 - 137 degrees Celsius

Question 27 27. Pentane evaporates at room temperature and is considered volatile. What family of organic chemicals are volatiles (like pentane) classified as?

Question 28 28. Electrons in the energy level or orbital that is furthest from the nucleus of an atom are known as _____.

Question 29 29. Whose research led to the ban of CFCs?

Question 30 30. A bromoalkane contains 35% carbon and 6.57% hydrogen by mass. Calculate the empirical formula of this bromoalkane.

Chemical Compounds & Bonds Overview 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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