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Review of Inorganic Chemistry For Biologists 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.

Which of the following statements accurately describe ice:

I. Ice is denser than water.

II. Hydrogen bonds hold ice molecules closer together than they do liquid water molecules.

III. Ice has a crystalline structure.

Question 2 2. Water is:

Question 3 3. Which of the following is a strong acid?

Question 4 4. What is the difference between an element and a molecule?

Question 5 5. When do the strongest chemical bonds occur?

Page 2

Question 6 6. Two atoms with the same electronegativity would form what kind of bond?

Question 7 7. If only one type of atom makes up a substance, what can you call this substance?

Question 8 8. Of the following, which has the highest concentration of H+ ions? Lemon juice, pH = 2; Mylanta, pH = 10; Sprite, pH = 3; seawater, pH = 8.

Question 9 9. Oxidation describes the process of:

Question 10 10. In covalently bonded molecules, oxidation and reduction are determined by:

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Question 11 11. Which of the following is NOT a hydrophobic substance?

Question 12 12.

The second law of thermodynamics states that:

I. Energy can neither be created nor destroyed

II. All free energy cannot be converted into usable energy

III. The entropy of a system increases over time

Question 13 13. Why does ice float in water?

Question 14 14. Particles that are found in the atomic nucleus are:

Question 15 15. Which of the following statements about chemical reactions is true?

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Question 16 16. Which of the following is NOT true?

Question 17 17. Nitrogen atoms can form triple bonds with each other. What is a triple bond?

Question 18 18.

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.

Question 19 19.

Which of the following concepts help explain why water can travel up a narrow tube?

I. Cohesion

II. Adhesion

III. Specific Gravity

Question 20 20. What is the role of a buffer?

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Question 21 21. Which of the following properties helps explain why a city near the Pacific Ocean experiences less dramatic changes in temperature during the day compared to a city farther inland?

Question 22 22. What do you think would happen if you added a sugar crystal to a super saturated solution of sugar in water?

Question 23 23. If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?

Question 24 24. The atomic number of an element refers to the number of _ in an atom.

Question 25 25. What is the part of the atom that determines how the atom behaves chemically?

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Question 26 26. An element is defined by the number of:

Question 27 27. In the following chemical equation, what is the reducing agent?

Question 28 28.

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 29 29. The conjugate base of a strong acid is a:

Question 30 30. Which of the following statements about water is true?

Review of Inorganic Chemistry For Biologists 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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