Test #1

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  1. Which of the following terms is a unit of metric length?

    A) gram
    B) milliliter
    C) centimeter
    D) second
    C) centimeter
    (this multiple choice question has been scrambled)
  2. A tall glass cylinder contains four separate liquid layers: mercury (d = 13.6 g/mL),chloroform (d = 1.49 g/mL), acetic acid (d = 1.05 g/mL) and ether (d = 0.708 g/mL). If amarble (d = 2.70 g/mL) is carefully dropped into the cylinder, where does it come to rest?

    A) on top of the mercury layer
    B) on top of the acetic acid layer
    C) on top of the chloroform layer
    D) on top of the ether layer
    A) on top of the mercury layer
    (this multiple choice question has been scrambled)
  3. A homogeneous mixture has

    A) different phases or layers.
    B) a tendency to undergo physical changes.
    C) a uniform appearance and composition throughout.
    D) varying composition and appearance.
    C) a uniform appearance and composition throughout.
    (this multiple choice question has been scrambled)
  4. The following are properties of the element, antimony. Which property is NOT a physicalproperty?

    A) It is a silver-white metal.
    B) It has a boiling point of 1635o C.
    C) It has a density of 6.68 g/cm3.
    D) Reacts with nitric acid to form antimonic oxide.
    D) Reacts with nitric acid to form antimonic oxide.
    (this multiple choice question has been scrambled)
  5. If a pound of chocolates were bought in San Francisco and taken into orbit above the Earthin the space shuttle, which of the following statements would be true?

    A) It would weigh more and have the same mass.
    B) It would weigh less but have the same mass.
    C) It would weigh more and have more mass.
    D) It would weigh less and have less mass.
    B) It would weigh less but have the same mass.
    (this multiple choice question has been scrambled)
  6. Which of the following is a chemical change?

    A) grinding beef in a meat grinder
    B) dissolving salt in water
    C) separating components of oil by distillation
    D) burning gasoline
    D) burning gasoline
    (this multiple choice question has been scrambled)
  7. Convert –40o F to K.

    A) –313 K
    B) 233 K
    C) 219 K
    D) 259 K
    B) 233 K
    (this multiple choice question has been scrambled)
  8. The “plum-pudding” model of the atom was proposed by

    A) Bohr
    B) Rutherford
    C) Dalton
    D) Thomson
    D) Thomson
    (this multiple choice question has been scrambled)
  9. Which statement is NOT part of Dalton’s atomic theory?

    A) Elements consist of isotopes having differing masses.
    B) All atoms in an element are alike.
    C) Elements consist of tiny particles called atoms.
    D) Atoms of different elements combine to form compounds.
    A) Elements consist of isotopes having differing masses.
    (this multiple choice question has been scrambled)
  10. Ernest Rutherford’s scattering experiments showed that

    A) the nucleus consists of protons and electrons.
    B) the space outside the nucleus is occupied by neutrons.
    C) the charge on protons exactly balances the charges on neutrons in the atom.
    D) all the positive charge and nearly all the mass of an atom are in the nucleus.
    D) all the positive charge and nearly all the mass of an atom are in the nucleus.
    (this multiple choice question has been scrambled)
  11. An isotope that has 35 p+, 35e–, and 46 no is

    A) 46Pd81
    B) 35Pd46
    C) 35Br46
    D) 35Br81
    D) 35Br81
    (this multiple choice question has been scrambled)
  12. Which of the following elements is a nonmetal?

    A) chromium
    B) sodium
    C) oxygen
    D) silver
    C) oxygen
    (this multiple choice question has been scrambled)
  13. Which of the following would be expected to have properties most similar to phosphorus?

    A) silicon
    B) sulfur
    C) carbon
    D) nitrogen
    D) nitrogen
    (this multiple choice question has been scrambled)
  14. What is the name of the family of elements in Group IIA?

    A) alkaline earth metals
    B) halogens
    C) alkali metals
    D) none of these
    A) alkaline earth metals
    (this multiple choice question has been scrambled)
  15. What term refers to a vertical column in the periodic table of elements?

    A) period
    B) series
    C) group
    D) column
    C) group
    (this multiple choice question has been scrambled)
  16. What member of the third period forms stable +2 ions?

    A) Ca
    B) O
    C) Mg
    D) Se
    C) Mg
    (this multiple choice question has been scrambled)
  17. Anions are formed by

    A) adding electrons to an atom.
    B) adding protons to the nucleus of an atom.
    C) removing electrons from an atom.
    D) removing neutrons from an atom.
    A) adding electrons to an atom.
    (this multiple choice question has been scrambled)
  18. Generally observed behavior which can be formulated into a statement, sometimes mathematical in nature, is called a(n)

    A) observation.
    B) experiment.
    C) natural law.
    D) theory.
    C) natural law.
    (this multiple choice question has been scrambled)
  19. The statement "The total mass of materials is not affected by a chemical change in those materials" is called a(n)

    A) experiment.
    B) natural law.
    C) theory.
    D) observation.
    B) natural law.
    (this multiple choice question has been scrambled)
  20. Which of the following is an example of a auqntitative observation?

    A) The liquid in beaker A is blue.
    B) The temperature of the liquid is 60oC.
    C) Solution 1 is much darker than solution 2.
    D) The piece of metal is longer than the piece of wood.
    B) The temperature of the liquid is 60oC.
    (this multiple choice question has been scrambled)
  21. A summary of experimental data is a

    A) hypothesis.
    B) prediction.
    C) law.
    D) theory.
    C) law.
    (this multiple choice question has been scrambled)
  22. Which of the following statements is false?

    A) A hyhpothesis is a tentative explanation or prediction which can be tested by experiment.
    B) A theory provides explanations of observed natural phenomena.
    C) A theory must be consistent with all known information.
    D) A theory can be proven correct if sufficient experimental data is acquired.
    D) A theory can be proven correct if sufficient experimental data is acquired.
    (this multiple choice question has been scrambled)
  23. A ____ is a summary of observed behavior and a ____ is an explanation of behavior.

    A) theory, law
    B) law, hypothesis
    C) law, theory
    D) hypothesis, theory
    C) law, theory
    (this multiple choice question has been scrambled)
  24. A set of tested hypotheses that gives an overall explanation of some natural phenomenon is called a(n)

    A) theory.
    B) observation.
    C) natural law.
    D) measurement.
    A) theory.
    (this multiple choice question has been scrambled)
  25. In order to conduct an investigation, a chemist follows an experimental format often called ____.

    A) a law
    B) a hypothesis
    C) a theory
    D) the scientific method
    D) the scientific method
    (this multiple choice question has been scrambled)
  26. A consistent explanation of known observations is called a(n)

    A) prediction.
    B) law.
    C) hypothesis.
    D) theory.
    D) theory.
    (this multiple choice question has been scrambled)
  27. An interpretation of the results of many tests is called a(n)

    A) experiment.
    B) hypothesis.
    C) theory.
    D) law.
    B) hypothesis.
    (this multiple choice question has been scrambled)
  28. Roll sulfur is yellow in color. This statement is

    A) a scientific law expressing the directly observable results of many different experiments.
    B) a scientific theory, which while it cannot be directly measured or
    observed, is in accord with and explains the results of experiments.
    C) a specific experimental fact that is not related to any scientific law.
    D) none of the above
    C) a specific experimental fact that is not related to any scientific law.
  29. A valence electron in a pure metal is not held by any specific atom
    but all valence electrons are used to hold together the atoms of the
    metal. This is best classified as

    A) a scientific law expressing the directly observable results of many different experiments.
    B) a scientific theory which, while it cannot be directly measured or
    observed, is in accord with and explains the results of experiments.
    C) an opinion not based on evidence.
    D) a specific experimental fact.
    B) a scientific theory which, while it cannot be directly measured or

    observed, is in accord with and explains the results of experiments.
  30. The prefix for 10-2 is _____.

    A) micro
    B) centi
    C) milli
    D) deka
    E) deci
    B) centi
    (this multiple choice question has been scrambled)
  31. A milliter is the same as....

    A) liter
    B) milliliter
    C) cubic centimeter
    D) deciliter
    E) cubic meter
    C) cubic centimeter
    (this multiple choice question has been scrambled)
  32. The number 6.55 x 102 could properly be written as _____.

    A) 65 x 101
    B) 0.00655
    C) 655
    D) 65 x 10-1
    E) 0.0655
    C) 655
    (this multiple choice question has been scrambled)
  33. When converting from inches to centimeters, the number of inches should be _____.

    A) multiplied by 2.54 cm/in.
    B) added to 2.54 cm/in.
    C) divided by 2.54 cm/in.
    D) subtracted from 2.54 cm/in.
    A) multiplied by 2.54 cm/in.
    (this multiple choice question has been scrambled)
  34. A quart is about the same volume as _____.

    A) a deciliter
    B) a kiloliter
    C) a cubic centimeter
    D) a liter
    E) a milliliter
    D) a liter
    (this multiple choice question has been scrambled)
  35. The density of water is about _____.

    A) 1 kg/mL
    B) 100 g/L
    C) 10 g/mL
    D) 1 g/L
    E) 1 g/mL
    E) 1 g/mL
    (this multiple choice question has been scrambled)
  36. Micro is the prefix for _____.

    A) 106
    B) 102
    C) 10-3
    D) 103
    E) 10-6
    E) 10-6
    (this multiple choice question has been scrambled)
  37. The metric system of measurement utilizes powers of _____ as a relationship between units.

    A) 1
    B) 10
    C) 100
    D) 12
    E) 2
    B) 10
    (this multiple choice question has been scrambled)
  38. The number 0.0000126 would be written as _____ in scientific notation when rounded to two significant figures.

    A) 1.26 x 10-5
    B) 1.2 x 10-5
    C) 13. x 10-6
    D) 1.3 x 10-5
    E) 12 x 10-6
    D) 1.3 x 10-5
    (this multiple choice question has been scrambled)
  39. In the English system of measurement a(n) _____ is not a length measurement.

    A) meter
    B) mile
    C) inch
    D) foot
    E) rod
    A) meter
    (this multiple choice question has been scrambled)
  40. _____ is the fundamental measure of how much matter is present.

    A) Mass
    B) Length
    C) Size
    D) Volume
    E) Weight
    A) Mass
    (this multiple choice question has been scrambled)
  41. Densities may be expressed in _____.

    A) liters per kilogram
    B) liters per gram
    C) grams per meter
    D) kilograms per meter
    E) grams per liter
    E) grams per liter
    (this multiple choice question has been scrambled)
  42. A mile is about the same size as _____.

    A) a centimeter
    B) a megameter
    C) a kilometer
    D) 100 meters
    E) 0.6 of a kilometer
    E) 0.6 of a kilometer
    (this multiple choice question has been scrambled)
  43. n using dimensional analysis for solving problems, a unit that
    appears in the numerator (top) of one factor and in the denominator
    (bottom) of another factor can cancel each other.

    A) True
    B) False
    A) True
  44. The state of matter for an object that has neither definite shape nor definite volume is

    A) solid
    B) mixed
    C) liquid
    D) elemental
    E) gaseous
    E) gaseous
    (this multiple choice question has been scrambled)
  45. The state of matter for an object that has a definite volume but not a definite shape is

    A) solid
    B) mixed
    C) liquid
    D) elemental
    E) gaseous
    A) solid
    (this multiple choice question has been scrambled)
  46. The state of matter for an object that has both definite volume and definite shape is

    A) gaseous
    B) liquid
    C) solid
    D) mixed
    E) elemental
    C) solid
    (this multiple choice question has been scrambled)
  47. Which of the following involves a chemical change?

    A) cooking an egg
    B) none of these
    C) boiling water
    D) chopping wood
    E) melting ice
    A) cooking an egg
    (this multiple choice question has been scrambled)
  48. Which of the following is a physical change?

    A) decomposing meat
    B) evaporating water
    C) rusting iron
    D) burning gasoline
    E) cooking an egg
    B) evaporating water
    (this multiple choice question has been scrambled)
  49. Which of these is a chemical property?

    A) Helium is very nonreactive.
    B) Ice melts at 0°C.
    C) Sodium is a soft, shiny metal.
    D) Water has a high specific heat.
    E) Oxygen is a gas.
    A) Helium is very nonreactive.
    (this multiple choice question has been scrambled)
  50. Which of the following involves no chemical change?

    A) burning paper
    B) lighting a match
    C) baking a cake
    D) boiling water
    E) driving a car
    D) boiling water
    (this multiple choice question has been scrambled)
  51. Which of the following is only a physical change?

    A) Leaves turn colors in the fall.
    B) Cookies burn in the oven.
    C) A banana ripens.
    D) At least two of these (a-d) exhibit only a physical change.
    E) Sugar dissolves in coffee.
    E) Sugar dissolves in coffee.
    (this multiple choice question has been scrambled)
  52. Which of the following is a chemical change?

    A) Peanuts are crushed.
    B) At least two of these (a-d) exhibit a chemical change.
    C) Water condenses on a mirror.
    D) A damp towel dries.
    E) A "tin" can rusts.
    E) A "tin" can rusts.
    (this multiple choice question has been scrambled)
  53. An example of a chemical change is

    A) coffee spilled on a shirt
    B) grinding coffee beans
    C) an ice cube melting in a drink
    D) boiling alcohol
    E) digesting a pizza
    E) digesting a pizza
    (this multiple choice question has been scrambled)
  54. In a chemical change,

    A) the products are different substances from the starting materials
    B) the original material can never be regenerated
    C) a phase change must occur
    D) a phase change never occurs
    A) the products are different substances from the starting materials
    (this multiple choice question has been scrambled)
  55. Which of the following describes a chemical property of gold?

    A) Gold is an inert (nonreactive) metal.
    B) Gold is a good conductor of heat and electricity.
    C) Gold is a yellow metal.
    D) Gold is a very dense metal.
    E) Gold is a soft metal.
    A) Gold is an inert (nonreactive) metal.
    (this multiple choice question has been scrambled)
  56. Which of the following is a chemical change?

    A) gasoline evaporating
    B) water boiling
    C) sugar dissolving in water
    D) butter melting
    E) paper burning
    E) paper burning
    (this multiple choice question has been scrambled)
  57. How many of the following are pure compounds: sodium, sugar, oxygen, air, iron?

    A) 2
    B) 4
    C) 5
    D) 1
    E) 3
    D) 1
    (this multiple choice question has been scrambled)
  58. The nutritional calorie (abbreviated Cal) is equal to

    A) 4.184 cal.
    B) 4.184 J.
    C) 1 mcal.
    D) 1 kcal.
    D) 1 kcal.
    (this multiple choice question has been scrambled)
  59. Which of the following is NOT a type of energy or energy transfer?

    A) work
    B) chemical energy
    C) heat
    D) temperature
    D) temperature
    (this multiple choice question has been scrambled)
  60. Water has an unusually high

    A) heat of combustion.
    B) specific heat.
    C) molar heat capacity.
    D) heat of formation.
    B) specific heat.
    (this multiple choice question has been scrambled)
  61. The Law of Conservation of Energy states that

    A) energy can be destroyed but not created.
    B) energy can neither be created nor destroyed.
    C) matter can neither be created nor destroyed.
    D) energy can be created but not destroyed.
    B) energy can neither be created nor destroyed.
    (this multiple choice question has been scrambled)
  62. Which of the following is an example of an object possessing kinetic energy?

    A) water at the top of a dam
    B) a bird perched in a tree
    C) a stick of dynamite
    D) a ball rolling downhill
    E) a boulder resting on a cliff
    D) a ball rolling downhill
    (this multiple choice question has been scrambled)
  63. The symbol for the element chlorine is

    A) Cs
    B) Co
    C) Ch
    D) C
    E) Cl
    E) Cl
    (this multiple choice question has been scrambled)
  64. The symbol for the element potassium is

    A) P
    B) K
    C) Pm
    D) Pt
    E) Po
    B) K
    (this multiple choice question has been scrambled)
  65. The symbol for the element cobalt is

    A) Cu
    B) Co
    C) K
    D) C
    E) Cb
    B) Co
    (this multiple choice question has been scrambled)
  66. The symbol for the element mercury is

    A) Ag
    B) Mr
    C) Hg
    D) Mn
    E) Mg
    C) Hg
    (this multiple choice question has been scrambled)
  67. The symbol for the element lithium is

    A) L
    B) Lt
    C) Lh
    D) Lm
    E) Li
    E) Li
    (this multiple choice question has been scrambled)
  68. The symbol C stands for the element

    A) Two of these are correct.
    B) carbon
    C) cobalt
    D) chromium
    E) copper
    B) carbon
    (this multiple choice question has been scrambled)
  69. The symbol Ag can be used to represent

    A) an aluminum atom
    B) gold
    C) an aluminum ion
    D) a silver ion
    E) a silver atom
    E) a silver atom
    (this multiple choice question has been scrambled)
  70. The symbol for beryllium is

    A) Be
    B) Bl
    C) Ber
    D) Br
    E) B
    A) Be
    (this multiple choice question has been scrambled)
  71. S is the symbol for

    A) sodium
    B) sulfur
    C) silicon
    D) selenium
    B) sulfur
    (this multiple choice question has been scrambled)
  72. The symbol for manganese is

    A) none of these
    B) Mg
    C) Mn
    D) Ma
    E) Mo
    C) Mn
    (this multiple choice question has been scrambled)
  73. The symbol for magnesium is

    A) Mn
    B) Mo
    C) Ma
    D) none of these
    E) Mg
    E) Mg
    (this multiple choice question has been scrambled)
  74. The symbol for the element silver is

    A) S
    B) Ar
    C) Ag
    D) Si
    E) Au
    C) Ag
    (this multiple choice question has been scrambled)
  75. Co is the symbol for

    A) chlorine
    B) carbon
    C) carboxide
    D) carbon monoxide
    E) cobalt
    E) cobalt
    (this multiple choice question has been scrambled)
  76. The symbol for nitrogen is

    A) none of these
    B) Ng
    C) Ni
    D) Na
    E) N
    E) N
    (this multiple choice question has been scrambled)
  77. The law of constant composition applies to

    A) compounds
    B) metals
    C) metalloids
    D) homogeneous mixtures
    E) heterogeneous mixtures
    A) compounds
    (this multiple choice question has been scrambled)
  78. In chemistry, a formula is used to represent

    A) a metal
    B) an element
    C) a compound
    D) none of these
    E) all of these
    C) a compound
    (this multiple choice question has been scrambled)
  79. Metals occur in the _____ of the periodic table.

    A) lower right
    B) upper left
    C) lower left
    D) upper right
    C) lower left
    (this multiple choice question has been scrambled)
  80. The first suggestion that matter consists of atoms was presented by _____.

    A) Lord Kelvin
    B) Dalton
    C) ancient Greeks
    D) alchemists
    E) Rutherford
    C) ancient Greeks
    (this multiple choice question has been scrambled)
  81. _____ suggested the plum pudding model of the atom.

    A) Dmitri Mendeleev
    B) Robert Boyle
    C) J. J. Thomson
    D) Lord Kelvin
    E) Ernest Rutherford
    D) Lord Kelvin
    (this multiple choice question has been scrambled)
  82. The symbol 614C means an isotope of carbon with _____ protons and _____ neutrons.6

    A) 14, 8
    B) 14, 6
    C) 8, 6
    D) 6, 8
    E) 6, 14
    D) 6, 8
    (this multiple choice question has been scrambled)
  83. The person who developed the periodic table was _____.

    A) Dmitri Mendeleev
    B) J. J. Thomson
    C) Robert Boyle
    D) Ernest Rutherford
    E) Lord Kelvin
    A) Dmitri Mendeleev
    (this multiple choice question has been scrambled)
  84. An ion of sulfur has _____ protons and _____ electrons.

    A) 16, 18
    B) 16, 14
    C) 16, 16
    D) 18, 16
    E) 14, 16
    A) 16, 18
    (this multiple choice question has been scrambled)
  85. The neutron is a little more massive than the proton.

    A) True
    B) False
    A) True
  86. The elements of Group 8A are called the halogens.

    A) True
    B) False
    B) False
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Test #1
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