Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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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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2.
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How many neutrons would have?
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3.
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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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4.
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Name the only element that is
consider a metalloid
a. | Silicon | c. | Sulfur | b. | Hydrogen | d. | Nitrogen |
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5.
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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. | electron affinity | c. | atomic radius | b. | electronegativity | d. | ionization
energy |
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6.
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As the atomic number increases
within a group of elements, the atomic radius usually--
a. | increases | c. | decreases, then increases | b. | decreases | d. | remains the same |
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7.
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Which of the following factors contributes to the increase in ionization energy
from left to right across a period?
a. | fewer electrons in the highest occupied energy level | b. | an increase in the
volume of the atom | c. | an increase in the shielding
effect | d. | an increase in the number of protons |
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8.
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Which family correctly
represents the elements in Group 1 on the periodic table?
a. | Transition
metals | c. | Alkali
metals | b. | Lanthanide metals | d. | Actinide series |
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9.
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Which of the following would
have the greatest electronegativity?
a. | Fluorine | c. | Sulfur | b. | Beryllium | d. | Potassium |
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10.
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How many electrons are in a
Cd3+
ion?
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11.
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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 is too light and will leak
out of the balloon
| b. | Hydrogen has a higher atomic number than
Helium | d. | Like the others in its group, helium is an unreactive
gas |
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12.
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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. | Solid at room
temperature and mildly reactive with strong acids | b. | Gaseous at room temperature and highly reactive with
metals | d. | Solid at room temperature and mostly unreactive with
strong acids |
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13.
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What is the element with the lowest electronegativity value?
a. | calcium | c. | cesium | b. | fluorine | d. | Hydrogen |
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14.
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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. | 86.21
amu | b. | 85.13 amu | d. | 86.49 amu |
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15.
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Which of the following is true about subatomic particles?
a. | The mass of a neutron equals the mass of a proton. | b. | Protons are
positively charged and the lightest subatomic particle. | 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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16.
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The average atomic mass of an element depends upon the ____.
a. | relative abundance of protons in that element | b. | mass of each isotope
of that element | c. | mass of each electron in that element | d. | mass and relative abundance of each isotope of
that element |
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17.
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Which of the following would
have the greatest ionization energy?
a. | Helium | c. | Chlorine | b. | Calcium | d. | Francium |
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18.
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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. | fewer electrons in the highest occupied energy
level | c. | an increase in size of the nucleus | d. | more energy levels as you go down a
group |
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19.
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How many protons does an atom
of Potassium (K) have?
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20.
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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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21.
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A chemical change occurs when a piece of wood ____.
a. | decays | c. | is painted | b. | is split | d. | is cut |
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22.
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Which of the following processes does NOT involve a change in chemical
properties?
a. | boiling | c. | burning | b. | fermenting | d. | rusting |
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23.
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Which family of elements has
properties of both Metals and Non-metals?
a. | Lanthanide
Series | c. | Alkaline Earth
Metals | b. | Transition metals | d. | Metalloids |
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