1. P/C Properties and Changes, Phases and Phase Change Diagrams, Classification of Matter, Atomic Theory, Bohr Model, and Atomic Structure

2. Test 2 Review Properties and Changes Phases and Diagrams Atomic Theory Atomic Structure Classifying and Old Stuff 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Random Trivia 100 200 300 400 500

3. A. Burning wood B. Melting wax C. Oxidizing hydrogen D. Frying an egg E. Tarnishing silver 1,100

4. A. Mass B. Volume C. Density D. Length E. Weight 1,200

5. A. Rusting of iron B. Crushing ice cubes C. Biting a cheeseburger D. Squeezing an orange E. Subliming ammonium chloride 1,300

6. A. Physical property B. Chemical property C. Extensive property D. Intensive property 1,400

7. A. [Option 1] B. [Option 2] C. [Option 3] D. [Option 4] 1,500

8. A. Physical changes. B. Chemical changes. C. Nuclear changes. D. Intensive changes. 2,100

9. A. Solid B. Liquid C. Vapor D. All of the above 2,200

10. A. It melts B. It sublimates C. It condenses D. It freezes E. It evaporates 2,300

11. A. It melts B. It sublimates C. It condenses D. It freezes E. It evaporates 2,400

12. A. The temperature must be greater than -75 °C. B. The pressure must be greater than 1 atm. C. The pressure must be less than 0.006 atm. D. The temperature must be less than - 10 °C. 2,500

13. Which scientist discovered that most of an atom was empty space? A. Dalton B. Thomson C. Rutherford D. Bohr E. Schrodinger 3,100

14. Place the scientists in order of their contributions to atomic theory: A. Dalton, Thomson, Rutherford, Bohr, Schrodinger B. Dalton, Rutherford, Thomson, Schrodinger, Bohr C. Thomson, Dalton, Rutherford, Bohr, Schrodinger D. Schrodinger, Bohr, Thomson, Dalton, Rutherford E. Dalton, Rutherford, Thomson, Bohr, Schrodinger 3,200

15. Which scientist determined that atoms ejected electrons using the cathode ray tube? A. Dalton B. Thomson C. Rutherford D. Schrodinger 3,300

16. How was Bohr’s model different from Rutherford’s? A. Only Bohr’s model included electron orbitals in addition to the dense nucleus. B. Only Rutherford’s model included the dense nucleus. C. Only Bohr’s model included small negative particles that could be removed form the atom. D. Only Rutherford’s model included the stipulation that atoms were indivisible and identical. 3,400

17. Which of the following conclusions can be drawn from Rutherford’s gold foil experiment? A. Electrons have negative charges B. Neutrons are the center of an atom C. Neutrons and protons have an equal mass D. Atoms have an equal number of protons and neutrons E. The positive charge of an atom is concentrated in a small region 3,500

18. A. It is positively charged B. It is dense C. It is neutral D. A and C E. A and B 4,100

19. A. Mass number B. Neutrons C. Protons D. Electrons E. Protons and neutrons 4,200

20. A. 18 protons, 22 electrons B. 22 protons, 18 electrons C. 18 protons, 40 electrons D. 22 protons, 40 electrons E. 18 protons, 18 electrons 4,300

21. A. Neon B. Sodium C. Magnesium D. Vanadium 4,400

22. A. 8 B. 9 C. 17 D. 7 4,500

23. Which of the following contains 2 or more elements combined in a definite ratio? A. Element B. Compound C. Homogeneous Mixture D. Heterogeneous 5,100

24. Which of the following can be separated physically? A. Pure substance B. Compound C. Element D. Mixture 5,200

25. Which of the following have 2 sig figs? A. 0.01 and 10. B. 10. and 0.010 C. 10 and 0.0010 D. 10. and 0.100 5,300

26. Which of the following NOT a pure substance? A. Carbon B. Glucose C. Carbon monoxide D. Brass E. Gold 5,400

27. A cube has mass of 125 g. What is the volume of the cube in cm 3 if the density of the cube is 2.0 g/cm 3 ? A. 63 cm 3 B. 130 cm 3 C. 120 cm 3 D. 0.016 cm 3 E. 250 cm 3 5,500

28. A. Hamburger B. Chicken Fingers C. Pizza D. French Fries 6,100

29. A. Camel B. Rat C. Human D. Cow 6,200

30. A. They give you zits B. They make you burp C. They stain your teeth D. They give you stomach ulcers 6,300

31. A. About 9 seconds B. About 9 minutes C. About 9 days D. About 9 weeks 6,400

32. A. Scar B. Jafar C. Hades D. Captain Hook 6,500