Practice Test Chapters 17 18

1. Practice Test Chapters 17 & 18 By April Senger

2. How many different elements are there in a water molecule H2O? Two One Four Three

3. How many different elements are there in a water molecule H2O? Two One Four Three

4. Compared to the atoms that make up the body of an elderly person, the atoms that make up the body of a newborn baby are Actually older Newer Created as needed The same age

5. Compared to the atoms that make up the body of an elderly person, the atoms that make up the body of a newborn baby are Actually older Newer Created as needed The same age

6. Which of these atoms has the greatest charge in its nucleus? Gold Helium Lead Carbon

7. Which of these atoms has the greatest charge in its nucleus? Gold Helium Lead Carbon

8. If you change the number of neutrons, the result is A new element An ion An isotope None of these

9. If you change the number of neutrons, the result is A new element An ion An isotope None of these

10. What is the family name of group two? Halogens Alkali metals Alkaline earth metals Noble gases

11. What is the family name of group two? Halogens Alkali metals Alkaline earth metals Noble gases

12. The weight of matter comes mostly from its Electrons Protons Neither Both

13. The weight of matter comes mostly from its Electrons Protons Neither (both Protons and Neutrons) Both

14. With increasing atomic number, the atomic size of the elements as you go across the table Decreases Increases Decreases with sudden increases Increases with sudden decreases

15. With increasing atomic number, the atomic size of the elements as you go across the table Decreases Increases Decreases with sudden increases Increases with sudden decreases

16. Which of the following are electrically neutral? Electron Neutron Proton All of these

17. Which of the following are electrically neutral? Electron Neutron Proton All of these

18. Compared to the mass of a Hydrogen atom, the mass of a Carbon atom is Eight times greater 12 x greater 16 x greater More than 16 x greater

19. Compared to the mass of a Hydrogen atom, the mass of a Carbon atom is Eight times greater 12 x greater 16 x greater More than 16 x greater

20. Which of these atoms has the greatest number of electrons? Iron Gold Carbon Lead

21. Which of these atoms has the greatest number of electrons? Iron Gold Carbon Lead

22. If you change the number of protons, the result is An ion An isotope A new element A metalloid

23. If you change the number of protons, the result is An ion An isotope A new element A metalloid

24. What is the family name for group 17? Noble gas Alkali metal Transition metal Halogen

25. What is the family name for group 17? Noble gas Alkali metal Transition metal Halogen

26. The volume of matter comes mostly from its Protons Neutrons Electrons None of these

27. The volume of matter comes mostly from its Protons Neutrons Electrons None of these

28. How many electrons are in the outermost shell of Calcium? 2 4 8 40

29. How many electrons are in the outermost shell of Calcium? 2 4 8 40

30. One element is distinguished from another by the number of Protons Electrons Neutrons All of these

31. One element is distinguished from another by the number of Protons Electrons Neutrons All of these

32. What is the total number of protons & neutrons in a sugar molecule C6H12O6? 3 24 180 216

33. What is the total number of protons & neutrons in a sugar molecule C6H12O6? 3 24 180 (add up the atomic masses because mass is p + n�there are 6 carbons, 12 hydrogen and 6 oxygen) 216

34. In the Periodic Table, the metalloids are found Horizontally below the main body Diagonally just to the right of center Vertically to the far left hand side Vertically to the far right hand side

35. In the Periodic Table, the metalloids are found Horizontally below the main body Diagonally just to the right of center Vertically to the far left hand side Vertically to the far right hand side

36. What element are you if your atomic number is 16? Oxygen Silicon Chlorine Sulfur

37. What element are you if your atomic number is 16? Oxygen Silicon Chlorine Sulfur

38. At room temperature, the majority of the elements on the periodic table are Solids Liquids Gases plasmas

39. At room temperature, the majority of the elements on the periodic table are Solids Liquids Gases plasmas

40. The chemical properties of matter comes mostly from its Electrons Protons Neutrons None of these

41. The chemical properties of matter comes mostly from its Electrons Protons Neutrons None of these

42. The Bohr model of the atom is similar to a Central ball with lighter balls connected by springs Blob of plum pudding Miniature solar system All of these

43. The Bohr model of the atom is similar to a Central ball with lighter balls connected by springs Blob of plum pudding Miniature solar system All of these

44. How many electrons are in the outermost shell of a Chlorine (Cl is atomic number #17) 7 17 35 1

45. How many electrons are in the outermost shell of a Chlorine (Cl is atomic number #17) 7 (group 17-drop the 1 and this group has 7 valance electrons) 17 35 1

46. What is the symbol of Iron? I Ir IR Fe

47. What is the symbol of Iron? I Ir IR Fe

48. Elements of the periodic table corresponds to a Atomic size Atomic number Atomic mass All of these

49. Elements of the periodic table corresponds to a Atomic size Atomic number Atomic mass All of these

50. Which of these atoms has the most mass? Lead Iron Uranium Hydrogen

51. Which of these atoms has the most mass? Lead Iron Uranium Hydrogen

52. If two protons are removed from an oxygen nucleus, the result is Carbon Helium Nitrogen Neon

53. If two protons are removed from an oxygen nucleus, the result is Carbon Helium Nitrogen Neon

54. Which of the following would have the greatest tendency to shatter if hit with a hammer? Nonmetal Metalloid Metal Inner transition metal

55. Which of the following would have the greatest tendency to shatter if hit with a hammer? Nonmetal Metalloid Metal Inner transition metal

56. What elements are, dull, brittle, and do not conduct well? Transition metals Metals Nonmetals Metalloids

57. What elements are, dull, brittle, and do not conduct well? Transition metals Metals Nonmetals Metalloids

58. How many electrons does a neutral Aluminum have? 3 13 27 None of these

59. How many electrons does a neutral Aluminum have? 3 13 27 None of these

60. In an electrically neutral atom, the number of protons in the nucleus is balanced by an equal number of Quarks Neutrons Electrons All of these

61. In an electrically neutral atom, the number of protons in the nucleus is balanced by an equal number of Quarks Neutrons Electrons All of these

62. To change mercury into gold, a pair of protons must be Added to the mercury nucleus Removed from the mercury nucleus Both of these Neither of these

63. To change mercury into gold, a pair of protons must be Added to the mercury nucleus Removed from the mercury nucleus Both of these Neither of these (it is only one proton away)

64. If two protons are added to a Sodium, the result is Carbon Fluorine Aluminum Magnesium

65. If two protons are added to a Sodium, the result is Carbon Fluorine Aluminum Magnesium

66. If an element with atomic number 118 was ever synthesized, it would be Liquid Solid Gas Extremely reactive

67. If an element with atomic number 118 was ever synthesized, it would be Liquid Solid Gas Extremely reactive

68. If one neutron is added to oxygen, the result is Nitrogen Fluorine Hydrogen Heavier oxygen

69. If one neutron is added to oxygen, the result is Nitrogen Fluorine Hydrogen Heavier oxygen

70. What elements look like nonmetals but conduct like a metal when they are put under the right circumstances? Metalloids Transition metals Nonmetals Metals

71. What elements look like nonmetals but conduct like a metal when they are put under the right circumstances? Metalloids Transition metals Nonmetals Metals

72. A radioactive Sr is dangerous to humans because it builds up in the bone marrow. How does this relate to the periodic table? Sr and Ca are in the same group so they are similar to each other Sr has 18 extra electrons to cause harm Sr and Ca are in the same period so are similar to each other Sr is twice as massive as Calcium

73. A radioactive Sr is dangerous to humans because it builds up in the bone marrow. How does this relate to the periodic table? Sr and Ca are in the same group so they are similar to each other Sr has 18 extra electrons to cause harm Sr and Ca are in the same period so are similar to each other Sr is twice as massive as Calcium

74. Each vertical column in the periodic table corresponds to Cluster Period Group None of these

75. Each vertical column in the periodic table corresponds to Cluster Period Group None of these

76. The elements of the periodic table are mostly Gases Metalloids Nonmetals Metals

77. The elements of the periodic table are mostly Gases Metalloids Nonmetals Metals

78. As atoms get more massive, they become smaller in size because Their mass becomes more concentrated More mass means more protons, which act to pull electrons closer More massive atoms have greater numbers of shells They don�t

79. As atoms get more massive, they become smaller in size because Their mass becomes more concentrated More mass means more protons, which act to pull electrons closer More massive atoms have greater numbers of shells They don�t

80. Each horizontal row in the periodic table corresponds to a Cluster Period Group None of these

81. Each horizontal row in the periodic table corresponds to a Cluster Period Group None of these

82. He and Be are both the second element in their respected intervals. They are not placed directly above or below each other because they Have different #�s of protons Have different atomic masses Do not have similar properties Are arranged alphabetically

83. He and Be are both the second element in their respected intervals. They are not placed directly above or below each other because they Have different #�s of protons Have different atomic masses Do not have similar properties Are arranged alphabetically

84. What is the atomic mass of Nitrogen? 7 14 21 28

85. What is the atomic mass of Nitrogen? 7 14 21 28

86. Which has the greatest number of protons in its nucleus? Lead Silver Mercury Xenon

87. Which has the greatest number of protons in its nucleus? Lead (has highest atomic number) Silver Mercury Xenon

88. How many neutrons does Potassium have? 19 39 11 23

89. How many neutrons does Potassium have? 19 39 20 23

90. The air in this room has Energy Mass Weight All of these

91. The air in this room has Energy Mass Weight All of these

92. Are You Ready? Feel free to practice this again and again. Please note that if a questions asks about oxygen on the practice test�the REAL TEST might ask about another element. It is important you know why the answer is right Good Luck!