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Structure and Behavior of Matter 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. Why is it beneficial to use a logarithmic scale to measure pH?

Question 2 2.

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 3 3. Which of the following is an example of a chemical change?

Question 4 4. Ocean water is a good example of a mixture because _____

Question 5 5. An anion has a(n) _____ charge.

Page 2

Question 6 6. Who first coined the term atom, meaning indivisible?

Question 7 7.

Which of the following are physical changes?

1. melting ice

2. boiling water

3. magnetizing a pin

4. cooking an egg

Question 8 8. Which of the following changes to sugar is an example of a physical change?

Question 9 9.

Choose the correctly balanced equation for the following reaction:

Sodium + water → sodium hydroxide + hydrogen gas

Question 10 10. Which of the following is a physical change?

Page 3

Question 11 11.

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 12 12. Which of the following is a definition of a compound?

Question 13 13. Which of the following is a double-replacement reaction?

Question 14 14. Which type of reaction always requires oxygen to be a reactant?

Question 15 15. Which of the following is made up of one or more elements?

Page 4

Question 16 16. An endothermic reaction is:

Question 17 17. Which of the following is a definition of a molecule?

Question 18 18. In chemistry, the Greek letter delta:

Question 19 19. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 20 20. Identify which general equation is a combination reaction.

Page 5

Question 21 21. When is it possible to form multiple bonds with the same partner atom?

Question 22 22. Which of the following is a definition of matter?

Question 23 23. What does it mean when the enthalpy change for a reaction is negative?

Question 24 24. Which of the following has a positive charge and a mass of one amu?

Question 25 25.

Consider the reaction:

Mg +CuCl2 = MgCl2 + Cu

Which type of reaction is shown above?

Page 6

Question 26 26. An example of an exothermic reaction is:

Question 27 27. If only one type of atom makes up a substance, what can you call this substance?

Question 28 28. Which of the following is a correct definition of an element?

Question 29 29. An ionic bond occurs when a _____ and an _____ come together and form a bond.

Question 30 30. What type of bond forms when atoms have highly different electronegativities?

Structure and Behavior of Matter 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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