Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Helium and Hydrogen in their
gas states are less dense than air. Why is helium used to inflate balloons rather than
hydrogen?
a. | Hydrogen is not a
gas | c. | Hydrogen has a higher atomic number
than Helium | b. | Like the others in its group, helium is an unreactive
gas | d. | Hydrogen is too light and will leak out of the
balloon
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2.
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Which of the following processes does NOT involve a change in chemical
properties?
a. | fermenting | c. | boiling | b. | rusting | d. | burning |
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3.
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How many protons does an atom
of Potassium (K) have?
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4.
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Which of the following factors contributes to the increase in ionization energy
from left to right across a period?
a. | an increase in the shielding effect | b. | an increase in the volume of the
atom | c. | an increase in the number of protons | d. | fewer electrons in the highest occupied energy
level |
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5.
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Sodium, mercury, argon, and
neon are used in the production of lamps. There are fewer safety guidelines regarding the handling of
neon and argon than for mercury and sodium. Which of the following best describes the elements within
the group of the periodic table that contains neon and argon gas?
a. | Gaseous at room temperature
and unreactive | c. | Gaseous at room
temperature and highly reactive with metals | b. | Solid at room temperature and mostly unreactive with
strong acids | d. | Solid at room temperature and mildly
reactive with strong acids |
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6.
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What is the mass number of a
carbon isotope that has 6 protons, 6 electrons, and 8 neutrons?
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7.
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An isotope of mercury has 80
protons and 120 neutrons. What is the mass number of this isotope?
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8.
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Which of the following would
have the greatest electronegativity?
a. | Potassium | c. | Sulfur | b. | Beryllium | d. | Fluorine |
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9.
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What is the element with the lowest electronegativity value?
a. | Hydrogen | c. | cesium | b. | fluorine | d. | calcium |
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10.
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Which of the following factors contributes to the increase in atomic size within
a group on the periodic table?
a. | an increase in number of protons | b. | an increase in size of the
nucleus | c. | more energy levels as you go down a group | d. | fewer electrons in
the highest occupied energy level |
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11.
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Which family correctly
represents the elements in Group 1 on the periodic table?
a. | Actinide
series | c. | Alkali
metals | b. | Transition metals | d. | Lanthanide metals |
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12.
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Which of the following is true about subatomic particles?
a. | Protons are positively charged and the lightest subatomic
particle. | b. | The mass of a neutron equals the mass of a proton. | c. | Electrons are
negatively charged and are the heaviest subatomic particle. | d. | Neutrons have no
charge and are the lightest subatomic particle. |
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13.
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As the atomic number increases
within a group of elements, the atomic radius usually--
a. | decreases | c. | decreases, then increases | b. | increases | d. | remains the same |
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14.
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The energy that is pulling on an electron in order to share that electron with
aothern element is called the
a. | electronegativity | c. | ionization energy | b. | atomic radius | d. | electron
affinity |
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15.
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The sample below contains the
mass for the stable isotopes of an element. Calculate the average atomic mass
| Isotope | Mass | Percent Abundance | | Isotop 1 | 84.92 amu | 72.15% | | Isotope 2 | 86.91 amu | 27.85% | | | |
a. | 85.47
amu | c. | 86.49
amu | b. | 85.13 amu | d. | 86.21 amu |
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16.
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A chemical change occurs when a piece of wood ____.
a. | is painted | c. | decays | b. | is cut | d. | is split |
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17.
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Name the only element that is
consider a metalloid
a. | Hydrogen | c. | Nitrogen | b. | Silicon | d. | Sulfur |
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18.
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The energy required to remove an electron from an element is called the
a. | electronegativity | c. | atomic radius | b. | electron affinity | d. | ionization
energy |
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19.
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How many neutrons would  have?
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20.
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How many electrons are in a
Cd3+
ion?
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21.
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Which family of elements has
properties of both Metals and Non-metals?
a. | Lanthanide
Series | c. | Metalloids | b. | Alkaline Earth Metals | d. | Transition metals |
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22.
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The average atomic mass of an element depends upon the ____.
a. | mass of each electron in that element | b. | mass and relative abundance of each isotope of
that element | c. | mass of each isotope of that element | d. | relative abundance of protons in that
element |
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23.
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Which of the following would
have the greatest ionization energy?
a. | Francium | c. | Chlorine | b. | Calcium | d. | Helium |
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