Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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In which state of matter do the particles spread apart and fill all the space
available to them?
a. | solid | b. | crystal | c. | liquid | d. | gas |
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2.
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Which particles in atoms have a negative electric charge?
a. | neutrons | b. | electrons | c. | protons | d. | nuclei |
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3.
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Anything that has mass and takes up space is called
a. | matter. | b. | homogeneous. | c. | heterogeneous. | d. | energy. |
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4.
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Lemonade consists of several substances that are NOT chemically combined, so
lemonade is classified as a(n)
a. | element. | b. | compound. | c. | pure
substance. | d. | mixture. |
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5.
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A measure of how well a solute can dissolve in a solvent is a measure of this
property.
a. | concentration. | b. | acidity. | c. | saturation
point. | d. | solubility. |
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6.
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In which state of matter are particles packed tightly together in fixed
positions?
a. | solid | b. | liquid | c. | gas | d. | compound |
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7.
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Anything that has mass and takes up space is considered
a. | matter. | b. | endothermic. | c. | energy. | d. | chemistry. |
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8.
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CaCO3 represents a chemical
a. | symbol. | b. | formula. | c. | reaction. | d. | subscript. |
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9.
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You mix 10 grams of salt in 100 grams of water for a 10% concentrated salt water
solution. If you add more solute to the mixture, the concentration will...
a. | stay the same | b. | go up | c. | both a and
b | d. | go down |
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10.
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If you heat a liquid and measure the temperature at which it boils, you are
measuring a(n)
a. | physical property. | b. | molecular property. | c. | chemical
property. | d. | atomic property. |
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11.
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What is vaporization?
a. | a gas becoming a liquid | b. | a liquid becoming a gas | c. | a gas becoming a
solid | d. | a liquid becoming a solid |
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12.
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The amount of space that a gas takes up is its
a. | volume. | b. | mass. | c. | pressure. | d. | density. |
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13.
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This subatomic particle has a mass of 1 AMU, it’s found in the nucleus and
it has no charge. It is a(n):
a. | Nucleus | c. | Electron | b. | Proton | d. | Neutron |
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14.
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How do liquid water, ice, and water vapor differ from each other?
a. | They are made of different kinds of molecules. | b. | They are made of
different kinds of atoms. | c. | They are different
compounds. | d. | They are different states of matter. |
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15.
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H2O, CO2, and C12H22O11
are all examples of chemical
a. | properties. | b. | bonds. | c. | changes. | d. | formulas. |
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16.
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Which of the following scientists inferred that an atom’s positive charge
must be clustered in the nucleus?
a. | J.J. Thomson | b. | Niels Bohr | c. | John
Dalton | d. | Ernest Rutherford |
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17.
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The surface of water can act like a sort of skin due to a property of liquids
called
a. | condensation. | b. | viscosity. | c. | evaporation. | d. | surface
tension. |
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18.
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All elements are composed of extremely small particles called
a. | compounds. | b. | molecules. | c. | mixtures. | d. | atoms. |
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19.
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In an atom, the number of protons equals the number of
a. | nuclei. | b. | electrons. | c. | neutrons. | d. | isotopes. |
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20.
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What information in the periodic table indicates the number of protons in an
atom?
a. | the position of the element in its column | b. | the element’s
atomic number | c. | the element’s atomic mass | d. | the element’s chemical
symbol |
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21.
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The Chemical formula for Aluminum Sulfate is: 2Al(SO4)2.
a. | This is a compound formula containing a total of 22 atoms | c. | This is a mixture
of aluminum, sulfur, and oxygen | b. | This is a comppound containing a total of 9
atoms | d. | This is a compound
containing a total of 12 atoms |
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22.
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The resistance of a liquid to flowing is its
a. | volume. | b. | pressure. | c. | temperature. | d. | viscosity. |
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23.
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A solid is a state of matter that has a(n)
a. | indefinite volume and a definite shape. | b. | indefinite volume
and an indefinite shape. | c. | definite volume and a definite
shape. | d. | definite volume and an indefinite shape. |
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24.
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Water is polar and oil is nonpolar. What happens when the two liquids are poured
into the same container?
a. | Both liquids become nonpolar. | b. | The liquids mix well. | c. | A gas is
produced. | d. | The liquids do not mix. |
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25.
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Electrons involved in bonding between atoms are
a. | closest to the nucleus. | b. | valence electrons. | c. | inside the
nucleus. | d. | positively charged. |
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26.
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Which unique property of water prevents freezing in a pond from the bottom
up?
a. | solid water is less denswe than liquid water | c. | high specific
heat | b. | surface tension | d. | Its boiling point is out of the range of normal earth
temperatures |
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27.
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The opposite of vaporization is when a gas changes to a liquid. This
change of state is...
a. | condensation. | b. | evaporation. | c. | freezing. | d. | sublimation. |
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28.
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The freezing point of water is the same as its
a. | sublimation point. | b. | boiling point. | c. | melting
point. | d. | evaporation point. |
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29.
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The elements in a column or group of the periodic table
a. | have very similar chemical symbols. | b. | have similar chemical
properties. | c. | are in the same period. | d. | have the same atomic
mass. |
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30.
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a. | This is a beryllium atom with atomic number 4 and mass number 9 | c. | This is an isotope
of a lithium atom with atomic number 3 and mass number 6 | b. | This is a beryllium
atom with atomic number 6 and mass number 6 | d. | This is a lithium atom with atomic number 6 and mass number
6 |
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31.
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Substances that CANNOT be broken down chemically into other substances
are
a. | solutions. | b. | elements. | c. | compounds. | d. | mixtures. |
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32.
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Table sugar is an example of a(n)
a. | solution. | b. | mixture. | c. | compound. | d. | element. |
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33.
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An uncovered pot of soup is simmering on a stove, and there are water droplets
on the wall above the back of the stove. What sequence can you infer has occurred?
a. | condensation, then vaporization | b. | freezing, then thawing | c. | melting, then
boiling | d. | vaporization, then condensation |
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