1. Academic Chemistry Part I Final Review Click Here to Start

2. In which of the following situations would a student be following the lab safety rules? 2 of 76 Performing unauthorized experiments Wearing goggles Pushing and shoving his/her lab partner Adding water to acid A B C D

3. Which instrument measures mass? 3 of 76 Graduated cylinder Beaker Balance Scale A B C D

4. What piece of equipment would a clay triangle be used to hold? 4 of 76 Crucible Watch glass Evaporating Dish Beaker A B C D

5. Which of the following should you not do if you spill chemicals on you? 5 of 76 Tell your teacher Wash it off Read the label to determine the chemical Continue your lab work A B C D

6. Which of the following is smaller than a centimeter? 6 of 76 Decameter Decimeter Millimeter Kilometer A B C D

7. How many times smaller is the centimeter than the base unit? 7 of 76 100 1000 10 10000 A B C D

8. The gram is the standard unit of 8 of 76 Volume Mass Density Length A B C D

9. How many milliliters are equal to 5 liters? SHOW WORK! 9 of 76 0.005 mL 500 mL 5000 mL 0.05 mL A B C D

10. If you wanted to convert from gram to kilogram, which is the correct conversion factor? 10 of 76 1000g/1kg 1000 kg/1 g 1 g/1000 kg 1 kg/1000g A B C D

11. Which of the following is not a unit of volume? 11 of 76 mL L cm 3 m A B C D

12. Convert 60 km/h to m/min SHOW WORK! 12 of 76 3600000 m/min 60000 m/min 1000 m/min 360 m/min A B C D

13. How many seconds are in two days? SHOW WORK! 13 of 76 172800 seconds 2880 seconds 1440 seconds 4882 seconds A B C D

14. What is the scientific notation for 500.? 14 of 76 5.00 x 10 2 50.0 x 10 1.500 x 10 3 5.00 x 10 -2 A B C D

15. What is the standard notation for 4.56 x 10 -1 ? 15 of 76 45.6 0.456 0.00456 456 A B C D

16. What is the product of 3.4 x 10 6 and 7.8 x 10 2 ? 16 of 76 2.7 x 10 11 2.7 x 10 9 2.7 x 10 -9 2.7 x 10 -11 A B C D

17. How many significant digits are in the number 50.000? 17 of 76 51245124 A B C D

18. How many significant digits are in the number 0.025 18 of 76 34213421 A B C D

19. What is the answer to the correct number of significant digits? 5.0005 -2 19 of 76 3.0005 3.000 3.0 3 A B C D

20. What is a pure substance that is a combination of elements chemically combined 20 of 76 compound mixture solution matter A B C D

21. Sugar completely dissolved in water is classified as 21 of 76 element compound solution mixture A B C D

22. What is the classification of Iron (Fe) 22 of 76 compound mixture element solution A B C D

23. Something that has mass and takes up space refers to 23 of 76 All matter except liquids All matter except gases All matter except solids All matter A B C D

24. The tarnishing of silver is a 24 of 76 Chemical change Physical change Nuclear change None of these A B C D

25. Breaking a pencil in half is a 25 of 76 Chemical Change Physical Change Nuclear Change None of these A B C D

26. Dissolving of salt in water is a 26 of 76 Chemical change Physical change Nuclear change None of these A B C D

27. What must happen in a chemical change that does not occur in a physical change? 27 of 76 New substance is formed Change in energy Change in appearance None of these A B C D

28. Reacts with magnesium metal 28 of 76 Chemical Property Physical Propery A B

29. Boiling Point is 29 of 76 Chemical Property Nuclear Property Physical Property A B C

30. Which of the following is a heterogeneous form of matter? 30 of 76 Water (H 2 O) Carbon (C) Dissolved salt water (NaCl + H 2 O) Sand and water (SiO 2 + H 2 O) A B C D

31. How would you calculate density? 31 of 76 Mass x volume Density x volume Mass/volume Volume/mass A B C D

32. How would you calculate mass? 32 of 76 Density x Volume Mass x Volume Density / Volume Mass / Volume A B C D

33. How would you calculate volume? 33 of 76 Mass x Density Mass / Density Volume x density Mass / Volume A B C D

34. A student determines the mass of an object to be 95.0 grams, but the actual mass is 100.0 g. What is the percent error? SHOW WORK! 34 of 76 10.5% 95.0% 5.00% 1.05% A B C D

35. Who discovered the electron? 35 of 76 John Dalton J.J. Thomson Ernest Rutherford Neils Bohr A B C D

36. What experiment did Ernest Rutherford perform? 36 of 76 Gold foil experiment Cathode-ray tube Both of these None of these A B C D

37. Neils Bohr proposed a model in which the electrons are found in 37 of 76 Rings The nucleus The kernel None of these A B C D

38. The vertical columns on the periodic table are called 38 of 76 Periods Groups Families Both b and c A B C D

39. The nucleus is the center part of the atom that contains 39 of 76 Only Protons Only Neutrons Both Protons and Neutrons Both Protons and Electrons A B C D

40. Elements that are along the bold step line are called 40 of 76 Metals Transition Metals Nonmetals Metalloids A B C D

41. The tendency of an element to react with other elements? 41 of 76 Reaction Tendency Chemical Activity Radioactivity Activity Ratio A B C D

42. Which of the following is not true about the noble gases? 42 of 76 They are unreactive They are gases They all have eight valence electrons They are chemically stable A B C D

43. What is the most active nonmetal? 43 of 76 Helium Francium Hydrogen Fluorine A B C D

44. If copper has two isotopes, what is the average atomic mass? Copper-63 makes up 69.2% and Copper –65 makes up 30.8% SHOW WORK! 44 of 76 63.8 g 6380 g 169.2 g 63.0 g A B C D

45. The term ion refers to an atom that has 45 of 76 Only lost electrons Only gained electrons Gained or lost electrons Gained or lost protons or neutrons A B C D

46. An isotope has the same atomic number and a different number of 46 of 76 Protons Electrons Neutrons Ions A B C D

47. Which of the following is a property of a metal? 47 of 76 Brittle Conducts heat and electricity Dull None of these A B C D

48. What is the largest part of the atom (mass)? 48 of 76 Electron Cloud Protons Neutrons Nucleus A B C D

49. Which of the following elements is a halogen? 49 of 76 Chlorine Sodium Calcium Argon A B C D

50. Which of the following elements is the least chemically active? 50 of 76 Cesium Radon Lithium Chlorine A B C D

51. Which element has the smallest radius? 51 of 76 S S 2- Al K A B C D

52. Which element has the smallest ionization energy? 52 of 76 O N Ba Cu A B C D

53. What groups are part of the d block? 53 of 76 1-4 13-18 4-7 3-12 A B C D

54. Cerium (Atomic number 58) is a 54 of 76 Nonmetal Metalloid Transition Metal Metal A B C D

55. What two groups are part of the s block? 55 of 76 Alkali metals and alkaline earth metals Halogens and noble gases Alkaline earth metals and transition metals Transition metals and Metalloids A B C D

56. Which family on the periodic table has seven valence electrons? 56 of 76 Noble Gases Halogens Alkali Metals Alkaline Earth Metals A B C D

57. What element is in group 5 and period 6? 57 of 76 Ta Mo Bi Te A B C D

58. Where are the metals found on the periodic table? 58 of 76 Right of step line Left of step line On the staircase There is no specific location or grouping A B C D

59. The atomic number is always equal to the number of 59 of 76 Electrons Neutrons Protons Sum of Protons and Neutrons A B C D

60. If the charge of the atom is positive the atom has 60 of 76 Lost a proton Gained a proton Gained an electron Lost an electron A B C D

61. The mass number is the sum of the 61 of 76 Protons and Neutrons Protons and Electrons Neutrons and Electrons Protons, Neutrons and Electrons A B C D

62. Which of the following waves has the shortest wavelength? 62 of 76 A B C D

63. Which wave has the least amount of energy? 63 of 76 A B C D

64. Which element has valence electrons in the second energy level? 64 of 76 Li Ca Cu K A B C D

65. How many electrons are in any one orbital 65 of 76 14 10 2 6 A B C D

66. Which is the correct Lewis structure for Nitrogen? 66 of 76 NNNNNNNN A B C D

67. What is the correct electron configuration for Ga? 67 of 76 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 1 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 4p 6 5s 2 4d 3 1s 2 2s 2 2p 6 3s 2 4s 2 4p 6 5s 2 4d 9 1s 1 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 2 A B C D

68. What kind of bond involves the unequal sharing of electrons? 68 of 76 Nonpolar covalent bond Polar covalent bond Ionic bond Metallic bond A B C D

69. What type of bond involves electrostatic attractions between positive and negative charges? 69 of 76 Nonpolar covalent bond Polar covalent bond Ionic bond Metallic bond A B C D

70. What type of bond usually occurs between sodium and chlorine? 70 of 76 Nonpolar covalent bond Polar covalent bond Ionic bond Metallic bond A B C D

71. What type of bond occurs between two bromine atoms? 71 of 76 Nonpolar covalent bond Polar covalent bond Ionic bond Metallic bond A B C D

72. What is the shape of an ammonia molecule (NH 3 )? 72 of 76 Bent Tetrahedral Triangular Planar Triangular Pyramidal A B C D

73. What type of molecule is CO 2 ? 73 of 76 Linear Ionic Crystal Polar Nonpolar A B C D

74. A substance that does not dissolve in water must be 74 of 76 Nonpolar Polar Ionic Both b and c A B C D