Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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Use
the following figure to answer the questions below.
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1.
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According to
Bohrs atomic model, which letter(s) in the figure represents a place where an electron cannot
be? a. | A | c. | A and
D | b. | B, C and
E | d. | D | | | | |
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2.
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What can you
conclude from the figure below?
a. | Hunds rule has
been violated. | b. | The Pauli exclusion principle has been
violated. | c. | The Aufbau principle has been violated. | d. | This is a valid orbital
diagram. | | |
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3.
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What can you
conclude from the figure below?
a. | Hunds rule has
been violated. | b. | The Pauli exclusion principle has been
violated. | c. | The Aufbau principle has been violated. | d. | This is a valid orbital
diagram. | | |
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4.
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Which of the
following best describes the Heisenberg uncertainty principle? a. | Light behaves like a
particle and like a wave. | b. | The shorter the wavelength, the higher the
frequency. | c. | It is impossible to know both the velocity and the position of a
particle at the same time. | d. | You can measure an object without disturbing
it. | | |
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Choose the
letter of the choice that best completes the statement or answers the question. Use the periodic
table in your textbook.
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5.
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Elements in
the same group have the same ____. a. | atomic radius. | c. | nuclear charge. | b. | energy level of outer
electrons. | d. | number of valence
electrons. | | | | |
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6.
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Identify the
period and group of the element that has the electron configuration
[Ne]3s23p3. a. | period 2, group 2A | c. | period 3, group 3A | b. | period 3, group
1A | d. | period 3, group
5A | | | | |
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7.
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What is the
electron configuration of the element in group 4A and period 4 of the periodic
table?
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8.
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What is the
trend in atomic radii as you move from left-to-right across a period? a. | generally
decreases | c. | remains the
same | b. | generally
increases | d. | varies
randomly | | | | |
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9.
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In which of
the following pair is the second particle listed larger than the first? a. | K,
Ga | c. | Br,
Br- | b. | Pb, C | d. | Li, Li+ | | | | |
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10.
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How many
electrons does an atom generally need in its outer level to be the most stable?
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11.
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Elements in the same group have similar chemical properties because a. | their atoms are
about the same size. | b. | they have a similar atomic mass. | c. | they have the
same number of valence elections. | d. | they have a diagonal relationship. | | |
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12.
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The
final electron in inner transition metals enters the a. | p
sublevel. | c. | d
sublevel. | b. | s sublevel. | d. | f sublevel. | | | | |
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13.
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The
electrons in an atoms outermost orbitals are called _____. a. | electron
dots. | c. | valence
electrons. | b. | quantum electrons. | d. | noble-gas electrons. | | | | |
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14.
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In an
electron-dot structure, the elements symbol represents the _____. a. | nucleus of the noble
gas closest to the atom in the periodic table. | b. | atoms nucleus and
inner-level electrons. | c. | atoms valence electrons. | d. | electrons of the noble
gas closest to the atom in the periodic table. | | |
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15.
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How many
valence electrons does a chlorine atom have if its electron configuration
is
[Ne]3s23p5?
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16.
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Given
borons electron configuration of [He]2s22p1, which of the following
represents its electron-dot structure?
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17.
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Given
berylliums electron configuration of 1s22s2, which of the following
represents its electron-dot structure?
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18.
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Which
electrons are represented by the dots in an electron-dot structure? a. | valence
electrons | c. | only s
electrons | b. | inner-level electrons | d. | both a and c | | | | |
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19.
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Which
diagram best represents the group and period trends in atomic radii in the periodic
table?
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20.
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The general
trend in the radius of an atom moving down a group is partially accounted for by
the_____. a. | decrease in the mass of
the nucleus. | b. | fewer number of filled orbitals. | c. | increase in the charge
of the nucleus. | d. | shielding of the outer electrons by inner
electrons. | | |
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21.
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An atom
becomes negatively charged by _____. a. | gaining an electron. | c. | losing an electron. | b. | gaining a
proton. | d. | losing a
neutron. | | | | |
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22.
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Which
diagram best represents the relationship between the diameter of a sodium atom and the diameter of a
positive sodium ion?
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23.
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How
many valence electrons are present in silicon?
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24.
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Which
of the following elements is a metal? a. | Boron | c. | Magnesium | b. | Nitrogen | d. | Carbon | | | | |
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25.
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Which
of the following is an alkaline earth metal? a. | Sodium | c. | Iron | b. | Potassium | d. | Beryllium | | | | |
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26.
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Which
of the following groups consists of reactive p-block elements? a. | Group
1A | c. | Group
8A | b. | Group
2A | d. | Group
3A | | | | |
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27.
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Where
does the final electron enter in an inner transition metal? a. | s
sublevel | c. | p
sublevel | b. | d sublevel | d. | f sublevel | | | | |
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28.
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At
what sublevel does the final electron enter a transition metal? a. | s
sublevel | c. | d
sublevel | b. | p sublevel | d. | f sublevel | | | | |
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Matching
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Match the
terms below with their correct definitions. a. | alkali metals | h. | noble gases | b. | alkaline earth metals | i. | octet rule | c. | electronegativity | j. | periodic law | d. | halogens | k. | representative
elements | e. | period | l. | transition elements | f. | ion | m. | group | g. | ionization energy | | | | |
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29.
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Statement
that when the elements are arranged by increasing atomic number, there is a periodic repetition of
their chemical and physical properties
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30.
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Group A
elements
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31.
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Group B
elements
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32.
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Group 1A
elements (except for hydrogen)
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33.
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Group 2A
elements
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34.
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A column in
the periodic table
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35.
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A row in the
periodic table
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36.
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Group 7A
elements
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37.
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Group 8A
elements
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38.
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Atom or
bonded group of atoms that has a positive or negative charge
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39.
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Energy
required to remove an electron from a gaseous atom
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40.
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Statement
that atoms tend to gain, lose, or share electrons to acquire a full set of eight valence
electrons
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41.
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Indication
of an atoms ability to attract electrons in a chemical bond
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Match the terms below with the correct definitions. a. | Heisenberg uncertainty
principle | c. | quantum mechanical
model of the atom | b. | Schrödinger wave equation | d. | atomic orbital | | | | |
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42.
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The modern
model of the atom that treats electrons as waves
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43.
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States that
it is impossible to know both the velocity and the position of a particle at the same
time
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44.
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A
three-dimensional region around the nucleus representing the probability of finding an
electron
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45.
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Originally
applied to the hydrogen atom, it led to the quantum mechanical model of the atom
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Match the
terms below with their correct definitions. a. | metals | d. | representative elements | b. | group | e. | transition
elements | c. | period | | | | |
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46.
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A column on
the periodic table
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47.
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A row on the
periodic table
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48.
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Group A
elements
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49.
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Elements
that are shiny and conduct electricity
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50.
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Group B
elements
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