Deck 11: Modern Atomic Theory
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Deck 11: Modern Atomic Theory
1
Which color of visible light has the most energy per photon?
A) violet
B) blue
C) green
D) yellow
E) red
A) violet
B) blue
C) green
D) yellow
E) red
violet
2
Which color of visible light has the least amount of energy per photon?
A) violet
B) blue
C) green
D) yellow
E) red
A) violet
B) blue
C) green
D) yellow
E) red
red
3
The frequency of the wave indicates how many wave peaks pass a certain point per given time period.
True
4
A given set of f orbitals consists of ____ orbital(s).
A) 1
B) 3
C) 5
D) 7
E) 9
A) 1
B) 3
C) 5
D) 7
E) 9
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5
____ is a phenomenon that may be caused by the burning of fossil fuels, which increases the CO2 content in the earth's atmosphere.
A) Acid rain
B) The greenhouse effect
C) Infrared radiation
D) The ozone problem
E) None of these
A) Acid rain
B) The greenhouse effect
C) Infrared radiation
D) The ozone problem
E) None of these
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6
Consider the following representation of a 2p orbital:
Which of the following statements best describes the movement of electrons in a p orbital?
A) The electrons move along the outer surface of the p orbital, similar to a "figure 8" type of movement.
B) The electrons move within the two lobes of the p orbital, but never beyond the outside surface of the orbital.
C) The electrons are concentrated at the center (node) of the two lobes.
D) The electrons are moving in only one lobe at any given time.
E) The electron movement cannot be exactly determined.

A) The electrons move along the outer surface of the p orbital, similar to a "figure 8" type of movement.
B) The electrons move within the two lobes of the p orbital, but never beyond the outside surface of the orbital.
C) The electrons are concentrated at the center (node) of the two lobes.
D) The electrons are moving in only one lobe at any given time.
E) The electron movement cannot be exactly determined.
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7
The frequency of the wave is the distance between two consecutive wave peaks.
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8
The speed of a wave indicates how fast a given peak travels through water.
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9
When an electron in the ground state absorbs energy, it goes to a(n) ____ state.
A) excited
B) lower
C) frenetic
D) ionic
E) stable
A) excited
B) lower
C) frenetic
D) ionic
E) stable
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10
The form of EMR that has more energy per photon than ultraviolet rays but less energy per photon than gamma rays is
A) microwaves
B) radio waves
C) X rays
D) infrared rays
E) none of these
A) microwaves
B) radio waves
C) X rays
D) infrared rays
E) none of these
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11
____ is a form of oxygen that protects us from high-energy radiation emitted by the sun.
A) Ozone
B) Carbon dioxide
C) Ultraviolet light
D) Methane
E) None of these
A) Ozone
B) Carbon dioxide
C) Ultraviolet light
D) Methane
E) None of these
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12
We usually use the term ____ for all forms of electromagnetic radiation.
A) energy
B) photons
C) radiation
D) light
E) none of these
A) energy
B) photons
C) radiation
D) light
E) none of these
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13
As the principal energy level increases in an atom's orbitals, the average distance of an electron energy level from the nucleus ____.
A) increases
B) decreases
C) stays the same
D) varies
E) none of these
A) increases
B) decreases
C) stays the same
D) varies
E) none of these
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14
The energy levels of the hydrogen atom (and all atoms) are ____, meaning that only certain discrete energy levels are allowed.
A) varied
B) quantized
C) ramp-like
D) continuous
E) two of these
A) varied
B) quantized
C) ramp-like
D) continuous
E) two of these
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15
The color of a polar bear's fur is
A) white
B) brown
C) black
D) yellow
E) colorless
A) white
B) brown
C) black
D) yellow
E) colorless
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16
A packet of energy of electromagnetic radiation is called a neutron.
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17
The probability map for an electron is called
A) an orbit
B) a photon
C) an orbital
D) an electron configuration
E) none of these
A) an orbit
B) a photon
C) an orbital
D) an electron configuration
E) none of these
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18
The form of EMR that has less energy per photon than infrared rays but more energy per photon than radio waves is
A) microwaves
B) ultraviolet
C) gamma rays
D) X rays
E) none of these
A) microwaves
B) ultraviolet
C) gamma rays
D) X rays
E) none of these
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19
Which of the following is a reasonable criticism of the Bohr model of the atom?
A) It makes no attempt to explain why the negative electron does not eventually fall into the positive nucleus.
B) It does not adequately predict the line spectrum of hydrogen.
C) It does not adequately predict the ionization energy of the valence electron(s) for elements other than hydrogen.
D) It does not adequately predict the ionization energy of the first-energy-level electrons for one-electron species for elements other than hydrogen.
E) It shows the electrons to exist outside the nucleus.
A) It makes no attempt to explain why the negative electron does not eventually fall into the positive nucleus.
B) It does not adequately predict the line spectrum of hydrogen.
C) It does not adequately predict the ionization energy of the valence electron(s) for elements other than hydrogen.
D) It does not adequately predict the ionization energy of the first-energy-level electrons for one-electron species for elements other than hydrogen.
E) It shows the electrons to exist outside the nucleus.
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20
The maximum number of electrons allowed in each of the p orbitals is
A) 2
B) 4
C) 8
D) 18
E) none of these
A) 2
B) 4
C) 8
D) 18
E) none of these
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21
The electron configuration for the sulfur atom is
A) 1s22s22p63s23p4
B) 1s22s22p63s23p6
C) 1s22s22p63s23p2
D) 1s22s22p63s6
E) none of these
A) 1s22s22p63s23p4
B) 1s22s22p63s23p6
C) 1s22s22p63s23p2
D) 1s22s22p63s6
E) none of these
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22
The maximum number of electrons allowed in the p sublevel of the third principal level is
A) 1
B) 2
C) 3
D) 6
E) 8
A) 1
B) 2
C) 3
D) 6
E) 8
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23
The maximum number of electrons allowed in each of the d orbitals is
A) 2
B) 4
C) 8
D) 18
E) 32
A) 2
B) 4
C) 8
D) 18
E) 32
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24
The lowest energy level to allow f orbitals is the fourth energy level.
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25
The number of d orbitals in the second principal energy level is
A) 2
B) 6
C) 10
D) 14
E) none of these
A) 2
B) 6
C) 10
D) 14
E) none of these
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26
A d sublevel can hold a maximum of
A) 5 electrons
B) 10 electrons
C) 14 electrons
D) 32 electrons
E) none of these
A) 5 electrons
B) 10 electrons
C) 14 electrons
D) 32 electrons
E) none of these
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27
The maximum number of electrons allowed in the fourth energy level is
A) 2
B) 4
C) 8
D) 18
E) 32
A) 2
B) 4
C) 8
D) 18
E) 32
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28
The alkaline earth metals have how many valence electrons?
A) 8
B) 7
C) 3
D) 2
E) 1
A) 8
B) 7
C) 3
D) 2
E) 1
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29
Chlorine has how many electrons in its outermost principle energy level?
A) 7
B) 5
C) 17
D) 4
E) 1
A) 7
B) 5
C) 17
D) 4
E) 1
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30
The number of unpaired electrons in an oxygen atom is
A) 2
B) 3
C) 6
D) 5
E) 1
A) 2
B) 3
C) 6
D) 5
E) 1
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31
State the maximum number of electrons allowed in each.
a. fourth principal energy level ____
b. any d sublevel ____
c. a 2p orbital ____
a. fourth principal energy level ____
b. any d sublevel ____
c. a 2p orbital ____
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32
What is the maximum number of electrons that can be put into each of the following subshells?
a. 3p ______________
b. 6s ______________
c. 5d ______________
d. 7f ______________
a. 3p ______________
b. 6s ______________
c. 5d ______________
d. 7f ______________
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33
Which of the following is the highest energy orbital for a silicon atom?
A) 1s
B) 2s
C) 3s
D) 3p
E) 3d
A) 1s
B) 2s
C) 3s
D) 3p
E) 3d
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34
A given set of d orbitals consists of ____ orbital(s).
A) 1
B) 3
C) 5
D) 6
E) none of these
A) 1
B) 3
C) 5
D) 6
E) none of these
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35
Choose the correct ground-state electron configuration for chlorine.
A) [Ne] 3s23p5
B) [Ne] 3s23p7
C) [Ar] 3s23p5
D) [Ne] 4s24p5
E) [Ne] 2s23p7
A) [Ne] 3s23p5
B) [Ne] 3s23p7
C) [Ar] 3s23p5
D) [Ne] 4s24p5
E) [Ne] 2s23p7
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36
The maximum electron capacity of an f sublevel is
A) 18
B) 14
C) 10
D) 6
E) 2
A) 18
B) 14
C) 10
D) 6
E) 2
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37
Choose the correct energy level diagram for the ground state of oxygen.
A)
B)
C)
D)
E)
A)

B)

C)

D)

E)

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38
Choose the correct electron configuration for nitrogen in an excited state.
A) 1s22s22p23s1
B) 1s22s22p22d1
C) 1s22s22p3
D) 1s22s22p33s1
E) 1s22s22p33s13p1
A) 1s22s22p23s1
B) 1s22s22p22d1
C) 1s22s22p3
D) 1s22s22p33s1
E) 1s22s22p33s13p1
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39
Which of the following is an incorrect designation for an atomic orbital?
A) 3f
B) 4s
C) 5f
D) 3p
E) 3s
A) 3f
B) 4s
C) 5f
D) 3p
E) 3s
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40
The elements chlorine and iodine have similar chemical properties because they
A) are both metals
B) are in the same chemical period
C) have the same number of electrons in their outer energy levels
D) have the same number of stable isotopes
E) none of these
A) are both metals
B) are in the same chemical period
C) have the same number of electrons in their outer energy levels
D) have the same number of stable isotopes
E) none of these
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41
Which of the following has the electron configuration 1s22s22p63s23p64s23d5 ?
A) Mn
B) Ca
C) Br
D) V
E) Fe
A) Mn
B) Ca
C) Br
D) V
E) Fe
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42
The correct electron configuration for Ni is
A) 1s22s22p63s23p64s23d8
B) 1s22s22p63s23p63d10
C) 1s22s22p63s23p64s23d9
D) 1s22s22p62d103s23p6
E) none of these
A) 1s22s22p63s23p64s23d8
B) 1s22s22p63s23p63d10
C) 1s22s22p63s23p64s23d9
D) 1s22s22p62d103s23p6
E) none of these
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43
The electron configuration for vanadium is
A) [Ar] 4s23d3
B) 1s22s22p63s23d2
C) [Ar] 4s24p3
D) 1s22s22p63s13d4
E) [Ar] 3d5
A) [Ar] 4s23d3
B) 1s22s22p63s23d2
C) [Ar] 4s24p3
D) 1s22s22p63s13d4
E) [Ar] 3d5
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44
How many d electrons are in an atom of cobalt?
A) 7
B) 9
C) 10
D) 27
E) 59
A) 7
B) 9
C) 10
D) 27
E) 59
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45
The yet undiscovered element with atomic number 113 would be a member of
A) the halogens
B) the transition elements
C) the noble gases
D) the Group 3A elements
E) none of these
A) the halogens
B) the transition elements
C) the noble gases
D) the Group 3A elements
E) none of these
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46
Which element has the fewest electrons in its valence shell?
A) Cs
B) Mg
C) P
D) O
E) Br
A) Cs
B) Mg
C) P
D) O
E) Br
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47
When moving down a group (family) in the periodic table, the number of valence electrons
A) remains constant
B) increases by 2 then 8 then 18 then 32
C) doubles with each move
D) decreases regularly
E) changes in an unpredictable manner
A) remains constant
B) increases by 2 then 8 then 18 then 32
C) doubles with each move
D) decreases regularly
E) changes in an unpredictable manner
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48
Which of the following has the electron configuration [Ar] 4s23d5 ?
A) Mn
B) Ca
C) Br
D) V
E) none of these
A) Mn
B) Ca
C) Br
D) V
E) none of these
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49
The maximum number of electrons in the second principal energy level of an atom is
A) 2
B) 6
C) 8
D) 18
E) 32
A) 2
B) 6
C) 8
D) 18
E) 32
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50
What is the expected ground-state electron configuration for Te2-?
A) [Kr]5s25d105p4
B) [Kr]5s24d105p4
C) [Kr]5s24d104f145p6
D) [Kr]5s24d105p6
E) [Ar]5s24d105p2
A) [Kr]5s25d105p4
B) [Kr]5s24d105p4
C) [Kr]5s24d104f145p6
D) [Kr]5s24d105p6
E) [Ar]5s24d105p2
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51
The element with the electron configuration [Kr] 5s24d105p4 is
A) Te
B) Se
C) Mo
D) Nd
E) none of these
A) Te
B) Se
C) Mo
D) Nd
E) none of these
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52
Which electron configuration indicates a transitional element?
A) 1s22s22p63s13p6
B) 1s22s22p63s23p64s23d3
C) 1s22s22p5
D) 1s22s22p63s23p64s23d104p2
E) none of these
A) 1s22s22p63s13p6
B) 1s22s22p63s23p64s23d3
C) 1s22s22p5
D) 1s22s22p63s23p64s23d104p2
E) none of these
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53
The noble gases contain how many valence electrons?
A) 1
B) 7
C) 0
D) 8
E) none of these
A) 1
B) 7
C) 0
D) 8
E) none of these
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54
The Group 3A elements through the Group 8A elements form an area of the periodic table where the electron sublevels being filled are
A) p orbitals
B) s and p orbitals
C) d orbitals
D) p and d orbitals
E) f orbitals
A) p orbitals
B) s and p orbitals
C) d orbitals
D) p and d orbitals
E) f orbitals
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55
The number of electrons in the third sublevel of an iron atom is
A) 3
B) 6
C) 8
D) 26
E) 56
A) 3
B) 6
C) 8
D) 26
E) 56
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56
Which one of the following atoms has a partly filled d sublevel?
A) Ca
B) Ni
C) Zn
D) As
E) Ar
A) Ca
B) Ni
C) Zn
D) As
E) Ar
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57
All these atoms have seven electrons in their outermost energy levels except
A) H
B) F
C) Cl
D) Br
E) I
A) H
B) F
C) Cl
D) Br
E) I
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58
How many of the following electron configurations for the species in their ground state are correct?
(I) Ca: 1s22s22p63s23p64s2
(II) Mg: 1s22s22p63s1
(III) V: [Ar] 3s23d3
(IV) As: [Ar] 4s23d104p3
(V) P: 1s22s22p63p5
A) 1
B) 2
C) 3
D) 4
E) 5
(I) Ca: 1s22s22p63s23p64s2
(II) Mg: 1s22s22p63s1
(III) V: [Ar] 3s23d3
(IV) As: [Ar] 4s23d104p3
(V) P: 1s22s22p63p5
A) 1
B) 2
C) 3
D) 4
E) 5
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59
How many unpaired electrons does the element cobalt (Co) have in its lowest energy state?
A) 0
B) 1
C) 2
D) 3
E) 7
A) 0
B) 1
C) 2
D) 3
E) 7
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60
How many electrons are in the third principal energy level (n = 3) of one atom of cobalt?
A) 15
B) 13
C) 7
D) 9
E) 18
A) 15
B) 13
C) 7
D) 9
E) 18
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61
Write the electron configuration for Br.
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62
Write the electron configuration for Se.
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63
The 47th electron of silver, Ag, will be in a d orbital.
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64
What element has the electron configuration 1s22s22p63s23p3?
A) N
B) P
C) S
D) Al
E) Cl
A) N
B) P
C) S
D) Al
E) Cl
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65
What element has the electron configuration 1s22s22p63s23p6?
A) Ar
B) Cl
C) Kr
D) S
E) none of these
A) Ar
B) Cl
C) Kr
D) S
E) none of these
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66
Consider the following representation of the one orbital below. The points represent various electron locations.
What is the maximum number of electrons that this orbital can hold?
A) 10
B) 6
C) 5
D) 4
E) 2

A) 10
B) 6
C) 5
D) 4
E) 2
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67
The p block of elements contains the transition metals.
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68
Write the electron configuration for Rb.
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69
Consider the following representation of the one orbital below. The points represent various electron locations.
Where could an electron be located in the representation above?
A) Point A
B) Point B
C) Point C
D) Point D
E) An electron could be located at any of these points.

A) Point A
B) Point B
C) Point C
D) Point D
E) An electron could be located at any of these points.
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70
Write the electron configuration for Co.
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71
What element has the electron configuration 1s22s22p63s23p64s23d104p5?
A) Cl
B) Se
C) I
D) Kr
E) Br
A) Cl
B) Se
C) I
D) Kr
E) Br
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72
Write the electron configuration for Al.
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73
Write the electron configuration for B.
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74
Write the electron configuration for Ca.
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75
Consider the following representation of the one orbital below. The points represent various electron locations.
What type of orbital is represented?
A) s
B) p
C) d
D) f

A) s
B) p
C) d
D) f
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76
What element has the electron configuration 1s22s22p63s23p64s23d104p65s24d105p66s2?
A) Ba
B) Sn
C) Pb
D) Po
E) none of these
A) Ba
B) Sn
C) Pb
D) Po
E) none of these
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77
Write the electron configuration for Te.
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78
Write the electron configuration for Cl.
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79
What element has the electron configuration 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p5 ?
A) At
B) Ta
C) I
D) Rn
E) none of these
A) At
B) Ta
C) I
D) Rn
E) none of these
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80
Write the electron configuration for Cd.
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