Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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What is the correct name for Ag2O?
A) | disilver monoxide | B) | silver oxide | C) | silver (I)
oxide | D) | disilver oxide |
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2.
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The lowest energy level that contains an f orbital is
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3.
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The number of valence electrons in an atom with the configuration of
1s22s22p63s23p2 is
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4.
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The number of neutrons in an atom of 65Zn is
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5.
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Which pair of elements will form the most ionic bond?
A) | Al and Br | B) | Na and I | C) | N and
O | D) | C and Cl |
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6.
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Which of the following statements about the electromagnetic spectrum is NOT
true?
A) | X-rays have longer wavelengths than microwaves | B) | Infrared waves have
lower frequency than ultra violet waves | C) | Red light is lower energy than blue
light | D) | All colors of light travel at the same speed |
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7.
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Which of the following statements is true for an atom that has mass number of
62, atomic number of 32 and a charge of +2?
A) | This atom has equal number of neutrons and electrons | B) | This atom has equal
number of protons and neutrons | C) | This atom has equal number of protons and
electrons | D) | This atom has equal number of protons, neutrons and
electrons |
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8.
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What is the correct name for MgF2?
A) | magnesium (II) fluoride | B) | monomagnesium difluoride | C) | magnesium
difluoride | D) | magnesium fluoride |
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9.
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Which of the following is true about a molecule which contains three polar bonds
which have the same degree of polarity?
A) | the molecule will never be polar | B) | the molecule will be non-polar if the electron
distribution is trigonal planar | C) | the molecule will always be
polar | D) | none of the above is true |
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10.
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Which of the following molecules is polar?
A) | SO2 | B) | NH3 | C) | neither is
polar | D) | both are polar |
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11.
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Each atom of a specific element has the same
A) | atomic mass | B) | number of neutrons | C) | number of
protons | D) | none of the above |
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12.
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The concept of a positive charge and a small, heavy nucleus surrounded by
electrons was the contribution of
A) | Rutherford | B) | Chadwick | C) | Dalton | D) | Thomson |
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13.
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Isotopes differ from one another in all but which of the following
ways?
A) | number of protons | B) | number of neutrons | C) | atomic
mass | D) | nuclear mass |
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14.
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Which of the following is true for the molecule O=C=S?
A) | it is nonpolar because it is linear | B) | it is nonpolar because it contains only double
bonds | C) | it is polar because it has a bent shape | D) | it is polar because
the polarities of the O=C and C=S do not cancel |
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15.
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Substance X has 13 protons, 14 neutrons and 10 electrons. What is the
identity of X?
A) | 27Ne | B) | 27Al3+ | C) | 27Mg | D) | 27Al |
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16.
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The correct abbreviated electron configuration for 23V is
A) | [Ar] 4s24d3 | B) | [Ar]
4s23d3 | C) | [Ar]
3s23d3 | D) | [Ar]
4s24p3 |
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17.
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Which of the following compounds is/are
non-polar?
I) H2O
II) CO2
III) CF4
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Completion
Complete each
sentence or statement.
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18.
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The name for Fe2S3 is ____________________
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19.
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The formula for cupric iodide is ____________
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20.
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The formula for potassium oxide is _______________
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