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ICP Final Study Guide for 2013 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. According to the kinetic theory of matter, which of the following statements is true about matter? a. b. ____ c. d. solid plasma gas liquid c. d. solid plasma gas liquid c. d. solid plasma mass is lost only in physical changes. total mass stays the same in changes of state. c. d. mass is lost only in chemical changes. only energy is lost in changes of state. 7. According to the law of conservation of energy, a. b. ____ gas liquid 6. According to the law of conservation of mass, a. b. ____ moving in the same direction moving slowly 5. State of matter where the particles are in constant motion and rarely stick together. a. b. ____ c. d. 4. State of matter where the particles are in a rigid, fixed structure. a. b. ____ always fixed in position always in motion 3. State of matter where the particles can slide past each other, but are still packed together. a. b. ____ More massive particles move more slowly than less massive particles. All of the above 2. All matter is made of atoms and molecules that are a. b. ____ The atoms and molecules of a substance are c. always in motion. The higher the temperature of a substance, d. the faster its particles move. energy is not absorbed or released in c. changes of state. a substance has the same energy before and d. after a change of state. energy is not created or destroyed in changes of state. energy is not transferred during changes of state. 8. Atoms sometimes form bonds to a. b. lose energy become more stable c. d. give away neutrons give away protons ____ 9. Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) ____________ bond by ____________ their electrons. a. b. ____ suspension All of the above universal nonpolar c. d. decanted polar polar dispersed c. d. nonpolar homogenous heterogeneous solvent. homogeneous solvent. c. d. universal solvent. universal solute. concentration of H+ ions molarity of the solute c. d. concentration of metal ions solubility of the solute colloid suspension c. d. solution emulsion 17. Magnesium (Mg) is located to the right of sodium (Na) because Mg has a. b. ____ c. d. 16. A mixture that separates into different layers when you stop stirring it is a(n) a. b. ____ alloy solution 15. What does the pH of a solution measure? a. b. ____ alloys colloids 14. Because many substances dissolve in water, water is referred to as the a. b. ____ c. d. 13. Compounds that do not dissolve in water are usually a. b. ____ suspensions emulsions 12. A molecule that has partially charged positive and negative areas is a. b. ____ ionic, transferring ionic, sharing 11. Particles in a(n) ____________ can be separated by filtration. a. b. ____ c. d. 10. Pennies minted after 1984 contain 97.5% zinc and 2.5% copper. These coins are examples of a. b. ____ covalent, transferring covalent, sharing fewer protons. no neutrons. 18. Each column of the periodic table is c. d. no protons more protons. a. b. ____ c. d. a higher atomic number. a higher group number. color number of neutrons c. d. atomic weight electron arrangement valence electrons. neutral electrons c. d. inner electrons. total electrons. be highly reactive. form ions. c. d. become charged All of the above metals. nonmetals. c. d. metalloids semiconductors 25. Most elements on the left side of the periodic table are a. b. ____ fewer protons. a lower atomic number. 24. Most elements are a. b. ____ at every tenth element. at regular intervals. 23. Elements that have one valence electron tend to a. b. ____ c. d. 22. Elements that belong to the same group have the same number of a. b. ____ to the left of each other. to the right of each other. 21. What is the location of elements in the periodic table related to? a. b. ____ an isotope. a period. 20. As you move from up to down in a column of the periodic table, elements have a. b. ____ c. d. 19. The periodic law states that elements that have similar properties appear a. b. ____ an element. a group. semiconductors. metals. c. d. nonmetals. metalloids c. d. metalloids. shiny. 26. Most nonmetals are a. b. brittle. good conductors. ____ 27. Each element in an element family shares the same a. b. ____ under all conditions under almost all conditions c. d. under some conditions under no conditions polymer reactant c. d. radical product 30. A type of reaction that produces an increase in temperature is a. b. ____ number of valence electrons atomic number. 29. The substance that is formed in a chemical reaction is called the a. b. ____ c. d. 28. When can semiconductors conduct heat and electricity? a. b. ____ average atomic mass. number of protons. endothermic exothermic c. d. 31. Chemical energy is: a. due to the number of valence electrons c. b. energy released when a chemical compound d. reacts. covalent nonpolar related to the periodic table energy due to the size of an atom ____ 32. During a chemical reaction, the number of atoms in the reactants a. equals the number of atoms in the product c. is less than the number of atoms in the product b. is greater than the number of atoms in the product ____ 33. Which of the following stores chemical energy? a. b. ____ the temperature of a substance the density of a substance c. d. the bonds of a molecule the nucleus of an atom 34. Which of these is not a sign of a chemical reaction? a. b. A gas is given off. Light energy is released c. d. Heat is released A color change occurs ____ 35. The smallest unit of an element that maintains the properties of that element is a(n): a. molecule c. substance b. atom d. compound ____ 36. Solids, liquids, and gases are three forms of matter that: a. take up space c. are made of atoms b. have mass d. All of the above ____ ____ 37. How many atoms are in a single molecule of a. 2 b. 3 ? c. d. 38. A group of atoms that acts as a unit is called an(n): a. compound c. b. mixture d. 5 6 molecule element ____ 39. Anything that has mass and takes up space is called: a. pure substance c. solid b. matter d. compound ____ 40. A chemical property of copper is its a. b. ____ density reactivity with powerful acids c. d. nonflammability None of the above pressure temperature c. d. density weight c. d. by both chemical and physical changes None of the above c. d. hot objects melt new substances form 43. How can a chemical change be reversed? a. b. ____ color melting point 42. An object’s volume can be found by dividing its mass by its a. b. ____ c. d. 41. A physical property of gold is its a. b. ____ density reactivity by chemical changes by physical changes 44. A chemical change occurs whenever a. b. substances are mixed objects change shape ____ 45. The chemical symbol for sulfuric acid is H2SO4. How many atoms are contained in each molecule of sulfuric acid? a. 3 c. 6 b. 4 d. 7 ____ 46. A substance has a mass of 360 g and a volume of 7.5 mL. What is its density? a. b. ____ 2,700 g/mL 480 g/mL 47. Positive charges ____________ one another. c. d. 270 g/mL 48 g/mL a. b. ____ repel join proton electron c. d. coulomb neutron 49. A material that allows electric charges to move easily is a/an a. b. ____ c. d. 48. Which of the following is a negatively charged particle? a. b. ____ attract cancel electrical insulator electric force c. d. polarization electrical conductor 50. The force of attraction or repulsion between objects due to charge is a. b. electrical insulator electric force c. d. polarization electrical conductor ____ 51. A material that does not easily transfer electric charge is called a/an a. electrical conductor c. coulomb b. electrical insulator d. electric charge ____ 52. An electrical property of matter that creates electric and magnetic forces and interactions is a. electrical conductor c. coulomb b. electrical insulator d. electric charge ____ 53. The rate at which charges move through a conductor is called a. b. ____ Voltage Charge c. d. Resistance Ampere 0.25 A 4.0 A c. d. 18 A 144 A 56. What voltage is required to pass 0.5 A of current through a 4.5-W bulb? a. b. ____ current electric potential energy 55. A 6.0-V battery is connected to a 24-W (ohm) resistor. What is the current in the resistor? a. b. ____ c. d. 54. ____________ is the opposition posed by a material to the flow of current. a. b. ____ voltage resistance 0.11 V 2.25 V c. d. 3V 9V 57. A region where a magnetic force can be detected is a(n) a. b. ____ ellipses closed loops. magnetic fields. poles. c. d. objects. permanent magnets. bar magnet pole c. d. solenoid domain weaker stronger c. d. perpendicular parallel canceling charges. like charges. c. d. opposite charges. moving charges. balanced forward force. unbalanced backward force. c. d. balanced backward force. unbalanced forward force. 65. The gravitational force between two objects depends on masses of objects and a. b. ____ c. d. 64. A seat belt helps you when your car stops suddenly by providing a(n) a. b. ____ straight lines. intersecting lines. 63. Magnetism is caused by a. b. ____ cancel None of the above 62. Increasing the number of coils in a solenoid or an electromagnet results in a _____________ magnetic field. a. b. ____ c. d. 61. A device that produces a magnetic field by wrapping wire into a coil is a a. b. ____ attract repel 60. Magnetic force is the force due to interacting a. b. ____ magnetic field. potential circuit. 59. Magnetic field lines always form a. b. ____ c. d. 58. The north poles of two different magnets will ____________ one another. a. b. ____ electric circuit. gravitational attraction. accelerations of objects. distance between objects c. d. speeds of objects. sizes of objects. 66. When an object is in free fall, the only force acting on it is a. b. ____ mass and velocity. weight and acceleration. It is the same. It is less. c. d. It is equal to zero. It is greater. reaction forces action forces c. d. balanced forces unbalanced forces force inertia c. d. momentum deceleration 1 m/s. 9.8 m/s. c. d. 1 m/s2 9.8 m/s2 56 N acting on a 1-kg box 56 N acting on a 2-kg box c. d. 23 N acting on a 2-kg box 23 N acting on a 5-kg box 74. How much does a 59.0 kg woman weigh on Earth? a. b. ____ c. d. 73. Which of the following will result in the greatest acceleration? a. b. ____ weight and velocity. mass and acceleration. 72. One newton is the force that can give a mass of 1 kg an acceleration of a. b. ____ depends on an object’s mass. None of the above 71. When the velocity of an object changes, it is acted upon by a(n) a. b. ____ c. d. 70. If the net force on an object is zero, then the object has a. b. ____ depends on an object’s weight. is the same for all objects. 69. How does the total momentum of two objects before a collision compare with the total momentum after the collision? a. b. ____ inertia terminal velocity 68. An object’s momentum is determined by the object’s a. b. ____ c. d. 67. Free-fall acceleration near Earth’s surface a. b. ____ gravity friction 6.02 N 59.0 lb c. d. 145 lb 578 N 75. Which statement about action-reaction force pairs is incorrect? a. b. ____ c. d. rapidly increases. None of the above power work c. d. distance mechanical advantage 0J 54 J c. d. 66 J 78 J Power Joule c. d. Speed Mechanical advantage 7.5 W 75 W c. d. 178 W 430 W 82. ____________ is a measure of the ability to do work. a. b. ____ slowly decreases. remains constant. 81. How much power is required to do 180 J of work in 2.4 s? a. b. ____ curie. pasteur. 80. ____________ is defined as the rate at which work is done. a. b. ____ c. d. 79. A boy exerts an average force of 65 N when he lifts a box 1.2 meters. How much work does he do? a. b. ____ newton. einstein. 78. The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force is called a. b. ____ They occur at the same time. They are equal and opposite. 77. When air resistance equals the weight of a falling object, the velocity a. b. ____ c. d. 76. The SI unit of force, named after the scientist who described the relationship between motion and force, is called the a. b. ____ They act on the same object. They always occur in pairs. Photosynthesis Power c. Respiration d. Energy 83. Calculate the gravitational potential energy relative to the ground when an 82 kg person climbs to the top of a 2.0 m stepladder. a. b. 164 J 330 J c. d. 402 J 1607 J ____ 84. The energy due to motion is: a. b. ____ 88. 89. 90. 91. 92. 7 m/s 8 m/s 93. maximum minimum c. d. zero average increases decreases c. d. remains constant none of the above electrical insulator electric force c. d. polarization electrical conductor electrical conductor electrical insulator c. d. coulomb electric charge semiconductor conductor c. d. superconductor insulator In most cases, increasing the temperature of an object will ____________ its resistance. a. b. ____ c. d. Which of the following has the lowest resistance? a. b. ____ 10 m/s 9 m/s The SI unit of electric charge is a/an a. b. ____ potential energy mechanical energy The alignment of charges at the surface of an object producing an induced charge is called a. b. ____ c. d. The electric force between two objects ____________ when the distance between them decreases. a. b. ____ nonmechanical energy kinetic energy 87. At the top of its arc, a thrown ball has ____________ potential energy. a. b. ____ potential energy mechanical energy 86. An object has a kinetic energy of 810 J after falling a certain distance. If the mass of the object is 20 kg, what is the speed of the object at this time? a. b. ____ c. d. 85. The energy of an object due to its position, shape, or condition is called: a. b. ____ nonmechanical energy kinetic energy increase decrease c. d. have no effect on nullify Individual components in a parallel circuit experience the same a. b. ____ 94. 95. 96. 97. 98. 99. 100. switch parallel circuit c. d. series circuit fuse switch parallel circuit c. d. series circuit fuse switch parallel circuit c. d. series circuit fuse switch electric power c. d. series circuit short circuit A circuit in which the components form a single path is called: a. b. ____ open parallel A low-resistance alternative pathway for current to travel in a circuit: a. b. ____ c. d. A device used to open or close an electric circuit: a. b. ____ closed series A device that contains a metal strip that melts when a certain current is exceeded: a. b. ____ power dissipation A circuit in which two or more paths are connected to the voltage source: a. b. ____ c. d. A circuit breaker acts as a switch creating a(n) ____________ circuit when current is too high. a. b. ____ voltage current switch electric power c. d. series circuit short circuit The rate at which electrical work is done is called: a. b. switch electric power c. d. series circuit short circuit