Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the emission of the lowest-energy photon.
A) n = 1 → n = 6
B) n = 6 → n = 1
C) n = 6 → n = 3
D) n = 3 → n = 6
E) n = 1 → n = 4

C

In the Bohr model of the atom, ________.
A) electrons travel in circular paths called orbitals
B) electrons can have any energy
C) electron energies are quantized
D) electron paths are controlled by probability
E) both A and C

C

According to the Heisenberg Uncertainty Principle, it is impossible to know precisely both the position and the ________ of an electron.
A) mass
B) color
C) momentum
D) shape
E) charge

C

All of the orbitals in a given electron shell have the same value as the ________ quantum number.
A) principal
B) angular momentum
C) magnetic
D) spin
E) psi

A

The de Broglie wavelength of a ________ will have the shortest wavelength when traveling at 30 cm/s.
A) marble
B) car
C) planet
D) uranium atom
E) hydrogen atom

C

The uncertainty principle states that ________.
A) matter and energy are really the same thing
B) it is impossible to know anything with certainty
C) it is impossible to know the exact position and momentum of an electron
D) there can only be one uncertain digit in a reported number
E) it is impossible to know how many electrons there are in an atom

C

All of the orbitals in a given subshell have the same value as the ________ quantum number.
A) principal
B) spin
C) magnetic
D) A and B
E) B and C

A

Which one of the following is not a valid value for the magnetic quantum number of an electron in a 5d subshell?
A) 2
B) 3
C) 0
D) 1
E) -1

B

Which of the subshells below do not exist due to the constraints upon the angular momentum quantum number?
A) 2d
B) 2s
C) 2p
D) all of the above
E) none of the above

A

Which of the subshells below do not exist due to the constraints upon the angular momentum quantum number?
A) 4f
B) 4d
C) 4p
D) 4s
E) none of the above

E

An electron cannot have the quantum numbers n = ________, l = ________, ml = ________.
A) 2, 0, 0
B) 2, 1, -1
C) 3, 1, -1
D) 1, 1, 1
E) 3, 2, 1

D

An electron cannot have the quantum numbers n = ________, l = ________, ml = ________.
A) 6, 1, 0
B) 3, 2, 3
C) 3, 2, -2
D) 1, 0, 0
E) 3, 2, 1

B

Which one of the following is an incorrect subshell notation?
A) 4f
B) 2d
C) 3s
D) 2p
E) 3d

B

Which one of the following is an incorrect orbital notation?
A) 2s
B) 3py
C) 3f
D) 4dxy
E) 4s

C

Which quantum number determines the energy of an electron in a hydrogen atom?
A) n
B) E
C) ml
D) l
E) n and l

A

All of the following are a result from the solution of the Schrodinger equation except ________.
A) spin
B) principal
C) azimuthal
D) magnetic
E) angular momentum

A

Which quantum numbers must be the same for the orbitals that they designate to be degenerate in a one-electron system (such as hydrogen)?
A) n, l, and ml
B) n and l only
C) l and ml
D) ml only
E) n only

E

In a p_x orbital, the subscript _x denotes the ________.
A) energy of the electron
B) spin of the electrons
C) probability of the shell
D) size of the orbital
E) axis along which the orbital is aligned

E

A 4p_z orbital in a many-electron atom is degenerate with ________.
A) 5s
B) 3p_z
C) 4d_xy
D) 4p_x
E) 4d²

D

Which one of the following orbitals can hold two electrons?
A) 2p_x
B) 3s
C) 4d_xy
D) all of the above
E) none of the above

D

Which of the quantum number(s) below represent the principal quantum number?
A) n, l, and ml
B) n only
C) n, l, ml, and ms
D) ms only
E) n and l only

B

Which of the following is not a valid set of four quantum numbers? (n, l, ml, ms)
A) 2, 0, 0, +1/2
B) 2, 1, 0, -1/2
C) 3, 1, -1, -1/2
D) 1, 0, 0, +1/2
E) 1, 1, 0, +1/2

E

Which of the following is a valid set of four quantum numbers? (n, l, ml, ms)
A) 2, 1, 0, +1/2
B) 2, 2, 1, -1/2
C) 1, 0, 1, +1/2
D) 2, 1, +2, +1/2
E) 1, 1, 0, -1/2

A

Which electron configuration represents a violation of the Pauli exclusion principle?

C

Which electron configuration represents a violation of the Pauli exclusion principle?

B

Which electron orbital diagram represents a violation of the Aufbau principle?

A

Which one of the following is the correct electron configuration for a ground-state nitrogen atom?

D

Which electron configuration denotes an atom in its ground state?

D

The ground state electron configuration of Ga is ________.
A) 1s22s23s23p64s23d104p1
B) 1s22s22p63s23p64s24d104p1
C) 1s22s22p63s23p64s23d104p1
D) 1s22s22p63s23p64s23d104d1
E) [Ar]4s23d11

C

The ground-state electron configuration of the element ________ is [Kr]5s14d5.
A) Nb
B) Mo
C) Cr
D) Mn
E) Tc

B

The ground-state electron configuration of ________ is [Ar]4s13d5.
A) V
B) Mn
C) Fe
D) Cr
E) K

D

Which is the correct electron configuration for a nitrogen atom?
A) 1s22s22p2
B) 1s22s22p1
C) 1s22s22p4
D) 1s22s22p3
E) [He]2s22p5

D

Which is the correct electron configuration for an oxide ion?
A) 1s22s22p3
B) 1s22s22p1
C) 1s22s22p6
D) 1s22s23s2
E) 1s22s22p2

C

Which electron configuration represents a violation of Hund's rule for an atom in its ground state?

C

Which electron configuration represents a violation of Hund's rule for an atom in its ground state?

B

Which electron orbital diagram is written correctly for an atom without any violations?

E

The ground-state configuration of fluorine is ________.
A) [He]2s22p2
B) [He]2s22p3
C) [He]2s22p4
D) [He]2s22p5
E) [He]2s22p6

D

The ground-state configuration of tungsten is ________.
A) [Ar]4s23d3
B) [Xe]6s24f145d4
C) [Ne]3s1
D) [Xe]6s24f7
E) [Kr]5s24d105p5

B

No two electrons within the same orbtial can have the same set of quantum numbers. This statement describes ________.
A) Planck's constant
B) Heisenberg Uncertainty Principle
C) Pauli Exclusion Principle
D) deBroglie hypothesis
E) Hund's rule

C

Which of the following elements has a ground-state electron configuration different from the predicted one?
A) Cu
B) Ca
C) Xe
D) Cl
E) Ti

A

Which two elements have the same ground-state electron configuration?
A) Pd and Pt
B) Cu and Ag
C) Fe and Cu
D) Cl and Ar
E) No two elements have the same ground-state electron configuration.

E

How many different principal quantum numbers can be found in the ground-state electron configuration of nickel?
A) 2
B) 3
C) 4
D) 5
E) 6

C

The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?
A) main group element
B) chalcogen
C) halogen
D) transition metal
E) alkali metal

D

Electromagnetic radiation travels through vacuum at a speed of ________ m/s.
A) 186,000
B) 125
C) 3.00 × 10⁸
D) 10,000
E) It depends on wavelength.

C

The wavelength of light that has a frequency of 1.20 × 10¹³ s^-1 is ________ m.
A) 25.0
B) 2.50 × 10^-5
C) 0.0400
D) 12.0
E) 2.5

B

The wavelength of light that has a frequency of 1.66 × 10⁹ s^-1 is ________ m.
A) 0.181
B) 5.53
C) 2.00 × 10^-9
D) 5.53 × 10⁸
E) none of the above

A

Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is ________ MHz.
A) 500
B) 200
C) 50
D) 20
E) 2.0

C

Visible light with a wavelength of 550 nm has a frequency of ________ Hz.
A) 5.5 × 10⁵
B) 1.7 × 10¹¹
C) 5.5 × 10¹⁴
D) 1.7 × 10²
E) 5.5 × 10¹⁷

C

What is the frequency (s-1) of electromagnetic radiation that has a wavelength of 2.3 m?
A) 1.3 × 10⁸ s-1
B) 1.8 × 10-⁹ s-1
C) 1.6 × 10⁸ s-1
D) 1.3 × 10^-33 s-1
E) 1.3 × 10³³ s-1

A

What is the frequency of light (s-1) that has a wavelength of 1.23 × 10^-6 cm?
A) 3.69
B) 2.44 × 10¹⁶ s-1
C) 4.10 × 10^-17 s-1
D) 9.62 × 10¹² s-1
E) 1.04 × 10^-13 s-1

B

What is the frequency of light (s-1) that has a wavelength of 3.86 × 10^-5 cm?
A) 7.77 × 10¹⁴ s-1
B) 6.32 × 10^-12 s-1
C) 1.04 × 10^-13 s-1
D) 9.62 × 10¹² s-1
E) 2.14 × 10^-16 s-1

A

What is the frequency of light (s-1) that has a wavelength of 3.12 × 10^-3 cm?
A) 3.69 s-1
B) 2.44 × 10¹⁶ s-1
C) 9.62 × 10¹² s-1
D) 4.10 × 10^-17 s-1
E) 1.04 × 10^-13 s-1

C

What is the wavelength of light (nm) that has a frequency of 3.22 × 10¹⁴ s-1?
A) 932 nm
B) 649 nm
C) 9.66 × 10²² nm
D) 9.32 × 10^-7 nm
E) 1.07 × 10⁶ nm

A

What is the wavelength of light (nm) that has a frequency of 6.44 × 10¹³ s-1?
A) 4660 nm
B) 6490 nm
C) 4.66 × 10^-8 nm
D) 6.49 × 10^-8 nm
E) 932 nm

A

What is the wavelength of light (nm) that has a frequency 4.62 × 10¹⁴ s-1?
A) 932 nm
B) 649 nm
C) 1.39 × 10²³ nm
D) 1.54 × 10^-3 nm
E) 1.07 × 10⁶ nm

B

The wavelength of a photon that has an energy of 6.33 × 10^-18 J is ________ m.
A) 3.79 × 10^-7
B) 3.10 × 10^-8
C) 2.38 × 10²³
D) 4.21 × 10^-24
E) 9.55 × 10¹⁵

B

The energy of a photon of light is ________ proportional to its frequency and ________ proportional to its wavelength.
A) directly, directly
B) inversely, inversely
C) inversely, directly
D) directly, inversely
E) indirectly, not

D

The wavelength of a photon that has an energy of 5.25 × 10^-19 J is ________ m.
A) 3.79 × 10^-7
B) 2.64 × 106
C) 2.38 × 10²³
D) 4.21 × 10^-24
E) 3.79 × 10⁷

A

The energy of a photon that has a wavelength of 9.0 m is ________ J.
A) 2.2 × 10^-26
B) 4.5 × 10²⁵
C) 6.0 × 10^-23
D) 2.7 × 10⁹
E) 4.5 × 10^-25

A

The energy of a photon that has a wavelength of 8.33 × 10^-6 m is ________ J.
A) 2.20 × 10^-26
B) 3.60 × 101³
C) 2.39 × 10^-20
D) 2.7 × 10⁹
E) 4.5 × 10^-25

C

The frequency of a photon that has an energy of 3.7 × 10^-18 J is ________ s-1.
A) 5.6 × 10¹⁵
B) 1.8 × 10^-16
C) 2.5 × 10^-15
D) 5.4 × 10^-8
E) 2.5 × 10¹⁵

A

The frequency of a photon that has an energy of 8.5 × 10^-12 J is ________ s-1.
A) 1.3 × 10²²
B) 1.8 × 10-¹⁶
C) 2.5 × 10-¹⁵
D) 5.4 × 10^-8
E) 2.5 × 10¹⁵

A

What is the energy of a photon (J) that has a wavelength of 105 nm?
A) 1.89 × 10^-13
B) 1.89 × 10^-32
C) 1.89 × 10^-18
D) 1.89 × 10^-36
E) 1.89 × 10^-27

C

The energy of a photon that has a wavelength of 13.2 nm is ________ J.
A) 9.55 × 10^-25
B) 1.62 × 10^-17
C) 1.99 × 10^-25
D) 4.42 × 10^-23
E) 1.51 × 10^-17

E

What is the energy of a photon (J) that has a frequency of 4.39 × 10¹⁹ Hz?
A) 2.91 × 10^-14
B) 2.91 × 10²⁰
C) 6.83 × 10^-12
D) 2.91 × 10^-52
E) 2.91 × 10⁵⁴

A

The energy of a photon that has a frequency of 1.821 × 10¹⁶ s-1 is ________ J.
A) 5.44 × 10^-18
B) 1.99 × 10^-25
C) 3.49 × 10-⁴⁸
D) 1.21 × 10^-17
E) 5.46 × 10^-24

D

What is the frequency (s-1) of a photon that has an energy of 4.38 × 10^-18 J?
A) 436 s-1
B) 6.61 × 10¹⁵ s-1
C) 1.45 × 10^-16 s-1
D) 2.30 × 10⁷ s-1
E) 1.31 × 10^-9 s-1

B

What is the wavelength (angstroms) of a photon that has an energy of 4.38 × 10^-18 J?
A) 45.4 angstroms
B) 2.30 × 10⁷ angstroms
C) 6.89 × 10¹⁵ angstroms
D) 1.45 × 10^-16 angstroms
E) 1.31 × 10^-9 angstroms

A

A photon that has an energy of 8.63 × 10^-12 J would emit light at which wavelength (m)?
A) 230
B) 2.30 × 10^-14
C) 2.30
D) 3.48 × 10¹⁹
E) 2.30 × 10^-5

B

A mole of red photons of wavelength 725 nm has ________ kJ of energy.
A) 2.74 × 10^-19
B) 4.56 × 10^-46
C) 6.05 × 10^-3
D) 165
E) 227

D

A mole of yellow photons of wavelength 527 nm has ________ kJ of energy.
A) 165
B) 227
C) 4.56 × 10^-46
D) 6.05 × 10-³
E) 2.74 × 10^-19

B

Of the following, ________ radiation has the longest wavelength and ________ radiation has the greatest energy.
gamma ultraviolet visible

A) ultraviolet, gamma
B) visible, ultraviolet
C) gamma, gamma
D) visible, gamma
E) gamma, visible

D

What color of visible light has the longest wavelength?
A) blue
B) violet
C) red
D) yellow
E) green

C

Which of the following radiation sources from the electromagnetic spectrum has the shortest wavelength and greatest energy?
A) radio
B) microwave
C) gamma
D) visible
E) ultraviolet

C

What color of visible light has the highest energy?
A) violet
B) blue
C) red
D) green
E) yellow

A

Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the energy (J) of an electron in the n = 4 level.
A) -1.36 × 10^-19
B) -5.45 × 10^-19
C) -7.34 × 10¹⁸
D) -1.84 × 10^-29
E) +1.84 × 10^-29

A

An electron in a Bohr hydrogen atom with a n = 4 value would have an energy of ________.
A) 1.362 × 10^-19 J
B) -1.362 × 10^-16 J
C) -1.362 × 10¹⁹ J
D) 1.362 × 10¹⁹ J
E) -1.362 × 10^-19 J

E

The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is ________ J.
A) 4.00 × 10^-19
B) 3.00 × 10^-19
C) -3.00 × 10^-19
D) -7.90 × 10^-19
E) 4.60 × 10¹⁴

B

The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 1 to n = 3 is ________ J.
A) -8.90 × 10^-1
B) 3.00 × 10^-19
C) -3.00 × 10^-19
D) 1.94 × 10^-18
E) 8.90 × 10^-1

D

An electron transition from n = 2 to n = 5 in a Bohr hydrogen atom would correspond to the following energy.
A) 4.9 × 10^-19 J
B) 4.9 × 10¹⁹ J
C) -4.9 × 10^-19 J
D) -4.9 × 10¹⁹ J
E) 4.9 × 10^-16 J

A

The frequency of electromagnetic radiation required to promote an electron from n = 2 to n = 4 in a Bohr hydrogen atom is ________ Hz.
A) 4.13 × 10^-19
B) 6.17 × 10¹⁴
C) 5.46 × 10^-19
D) 8.22 × 10¹⁴
E) 4.13 × 101⁹

B

A spectrum containing only ________ wavelengths is called a line spectrum.
A) Rydberg
B) specific
C) continuous
D) visible
E) invariant

B

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.
A) 487
B) 411
C) 434
D) 93.8
E) 657

D

What is the wavelength (nm) of light emitted when an electron in a hydrogen atom moves from n = 4 to n = 2?
A) -486
B) 2.06 × 10¹⁵
C) 486
D) 2.06 × 10⁶
E) 4.86 × 10^-7

C

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the ________ of a photon with a wavelength of ________ nm.
A) emission, 410
B) absorption, 410
C) absorption, 660
D) emission, 94
E) emission, 390

B

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the ________ of a photon with a wavelength of ________ nm.
A) absorption, 657
B) absorption, 1280
C) emission, 657
D) emission, 1280
E) emission, 389

D

A transition in the Bohr hydrogen atom from n = 4 to n = 2 occurs in the ________ region of the electromagnetic spectrum.
A) infrared
B) microwave
C) ultraviolet
D) visible
E) X-ray

D

A transition in the Bohr hydrogen atom from n = 6 to n = 1 occurs in the ________ region of the electromagnetic spectrum.
A) radio
B) ultraviolet
C) infrared
D) X-ray
E) microwave

B

The de Broglie wavelength of a particle is given by ________.
A) h + mv
B) hmv
C) h/mv
D) mv/c
E) mv

C

What is the de Broglie wavelength (m) of a 2.0-kg object moving at a speed of 50 m/s?
A) 6.6 × 10^-36 m
B) 1.5 × 10³⁵ m
C) 5.3 × 10^-33 m
D) 2.6 × 10-³⁵ m
E) 3.8 × 10³⁴ m

A

A 934 g object is traveling at a velocity of 35.0 m/s. What is the de Broglie wavelength of this object?
A) 2.03 × 10^-38 m
B) 2.03 × 10^-32 m
C) 2.03 × 10³³ m
D) 2.03 × 10^-35 m
E) 2.03 × 10³⁶ m

D

A 13 kg object is traveling at a velocity of 12.0 m/s. What is the de Broglie wavelength of this object?
A) 4.25 × 10^-36 m
B) 4.25 × 10³⁷ m
C) 4.25 × 10³⁴ m
D) 4.25 × 10^-39 m
E) 4.25 × 10^-33 m

A

At what speed (m/s) must a 10.0-mg object be moving to have a de Broglie wavelength of 3.3 × 10^-41 m?
A) 4.1 m/s
B) 1.9 × 10^-11 m/s
C) 2.0 × 10¹² m/s
D) 3.3 × 10^-42 m/s
E) 1.9 × 10¹³ m/s

C

A 34.0 mg object with a de Broglie wavelength of is traveling at what speed?
A) 8.12 × 10^-7 m/s
B) 2.76 × 10^-14 m/s
C) 2.76 × 10^-11 m/s
D) 8.12 × 10^-10 m/s
E) 8.12 × 10^-13 m/s

A

The de Broglie wavelength of an electron is 8.7 × 10^-11 m. The mass of an electron is 9.1 × 10^-31 kg. The velocity of this electron is ________ m/s.
A) 8.4 × 10³
B) 1.2 × 10^-7
C) 6.9 × 10^-5
D) 8.4 × 10⁶
E) 8.4 × 10^-3

D

What is the de Broglie wavelength (m) of a 1.0 × 10⁹ kg train car traveling at 95 km/hr?
A) 2.51 × 10^-41
B) 2.51 × 10-⁴⁷
C) 6.97 × 10^-45
D) 2.51 × 10^-44
E) 6.97 × 10^-48

D

What is the de Broglie wavelength (m) of a 1.00 × 10³ kg race car traveling at 145 mi/hr?
A) 1.02 × 10^-41
B) 1.02 × 10^-35
C) 1.02 × 10^-38
D) 4.57 × 10^-39
E) 4.57 × 10^-42

C

The wavelength of an electron whose velocity is 1.7 × 10⁴ m/s and whose mass is 9.1 × 10^-28 g is ________ m.
A) 4.3 × 10^-11
B) 12
C) 4.3 × 10^-8
D) 2.3 × 10⁷
E) 2.3 × 10-⁷

C

The ________ quantum number defines the shape of an orbital.
A) spin
B) magnetic
C) principal
D) angular momentum
E) psi

D

There are ________ orbitals in the third shell.
A) 25
B) 4
C) 9
D) 16
E) 1

C

The ________ subshell contains only one orbital.
A) 5d
B) 6f
C) 4s
D) 3d
E) 1p

C

There are ________ orbitals in the second shell.
A) 1
B) 2
C) 4
D) 8
E) 9

C

The angular momentum quantum number is 3 in ________ orbitals.
A) s
B) p
C) d
D) f
E) a

D

The n = 1 shell contains ________ p orbitals. All the other shells contain ________ p orbitals.
A) 3, 6
B) 0, 3
C) 6, 2
D) 3, 3
E) 0, 6

B

The lowest energy shell that contains f orbitals is the shell with n = ________.
A) 3
B) 2
C) 4
D) 1
E) 5

C

The principal quantum number of the first d subshell is ________.
A) 1
B) 2
C) 3
D) 4
E) 0

C

The total number of orbitals in a shell is given by ________.
A) I2
B) n2
C) 2n
D) 2n + 1
E) 2l + 1

B

In a hydrogen atom, an electron in a 1s orbital can ________ a photon, but cannot ________ a photon.
A) accept, absorb
B) absorb, accept
C) absorb, emit
D) emit, absorb
E) emit, accept

C

________-orbitals are spherically symmetrical.
A) s
B) p
C) d
D) f
E) g

A

Each p-subshell can accommodate a maximum of ________ electrons.
A) 6
B) 2
C) 10
D) 3
E) 5

A

Each d-subshell can accommodate a maximum of ________ electrons.
A) 6
B) 2
C) 10
D) 3
E) 5

C

How many quantum numbers are necessary to designate a particular electron in an atom?
A) 3
B) 4
C) 2
D) 1
E) 5

B

Which orbital is degenerate with a 3d_z ² in a many-electron atom?
A) 3d_yz
B) 5d_z ²
C) 4d_z ²
D) 3d_zz
E) 4d_xz

A

The 3p subshell in the ground state of atomic xenon contains ________ electrons.
A) 2
B) 6
C) 8
D) 10
E) 36

B

The 3p subshell in the ground state of atomic silicon contains ________ electrons.
A) 2
B) 6
C) 8
D) 10
E) 36

A

The first shell in the ground state of a krypton atom can contain a maximum of ________ electrons.
A) 6
B) 36
C) 8
D) 18
E) 2

E

The 4d subshell in the ground state of atomic xenon contains ________ electrons.
A) 2
B) 6
C) 8
D) 10
E) 36

D

[Ar]4s23d104p3 is the electron configuration of a(n) ________ atom.
A) As
B) V
C) P
D) Sb
E) Sn

A

[Ne]3s23p3 is the electron configuration of a(n) ________ atom.
A) As
B) V
C) P
D) Sb
E) Sn

C

There are ________ unpaired electrons in a ground state fluorine atom.
A) 0
B) 1
C) 2
D) 3
E) 4

B

The electron configuration of a ground-state Ag atom is ________.
A) [Ar]4s24d9
B) [Kr]5s14d10
C) [Kr]5s23d9
D) [Ar]4s14d10
E) [Kr]5s24d10

B

The ground-state electron configuration for Zn is ________.
A) [Kr]4s23d10
B) [Ar]4s23d10
C) [Ar]4s13d10
D) [Ar]3s23d10
E) [Kr]3s23d10

B

What is the correct ground state electron configuration for copper?
A) [Ar]4s24d9
B) [Ar]4s14d10
C) [Ar]4s13d10
D) [Ar]4s23d10
E) [Ar]4s23d9

C

What is the correct ground state electron configuration for chromium?
A) [Ar]4s13d5
B) [Ar]4s14d5
C) [Ar]4s23d4
D) [Ar]4s24d5
E) [Kr]4s13d5

A

All of the ________ have a valence shell electron configuration ns1.
A) noble gases
B) halogens
C) chalcogens
D) alkali metals
E) alkaline earth metals

D

The elements in the ________ period of the periodic table have a core-electron configuration that is the same as the electron configuration of neon.
A) first
B) second
C) third
D) fourth
E) fifth

C

Elements in group ________ have a np6 electron configuration in the outer shell.
A) 4A
B) 6A
C) 7A
D) 8A
E) 5A

D

Which group in the periodic table contains elements with the valence electron configuration of ns2np1?
A) 1A
B) 2A
C) 3A
D) 4A
E) 8A

C

Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye. The frequency of this light is ________ s-1.
A) 4.688 × 10¹⁴
B) 4.688 × 10⁵
C) 1.920 × 10²
D) 1.920 × 10¹¹
E) 2.133 × 10-¹⁵

A

The wavelength of light emitted from a traffic light having a frequency of 2.74 × 10¹⁴ Hz is ________ nm.
A) 1090
B) 109
C) 54.7
D) 36.5
E) 50.0

A

An FM radio station broadcasts electromagnetic radiation at a frequency of 89.7 MHz. The wavelength of this radiation is ________ m.
A) 3.34 × 10⁶
B) 3.34
C) 2.69 × 10¹⁶
D) 2.69 × 10¹⁰
E) 0.299

B

Calculate the energy (J) found in one photon of visible light if the wavelength is 589 nm.
A) 3.37 × 10^-19
B) 1.17 × 10^-31
C) 1.17 × 10^-22
D) 3.37 × 10^-28
E) 2.96 × 10¹⁸

A

Electromagnetic radiation with a wavelength of 641 nm appears as orange light to the human eye. The energy of one photon of this light is 3.10 × 10^-19 J. Thus, a laser that emits 1.3 x 10^-2 of energy in a pulse of light at this wavelength produces ________ photons in each pulse.
A) 2.4 × 10^-17
B) 6.3 × 10^-24
C) 2.7 × 10¹⁹
D) 4.2 × 10¹⁶
E) 6.5 × 10¹³

D

Calculate the longest wavelength of light (nm) that can be used to remove electrons from metal surfaces if 245 kJ/mol is required to eject electrons.
A) 233
B) 488
C) 725
D) 552
E) 165

B

A radio station broadcasts at 99.5 MHz. The wavelength of the signal is ________ m.
A) 3.10
B) 3.02
C) 2.90
D) 2.75
E) 4.71

B

When the electron in a hydrogen atom moves from n = 5 to n = 2, light with a wavelength of ________ nm is emitted.
A) 93.8
B) 410
C) 487
D) 657
E) 434

E

Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the emission of the highest-energy photon.
A) n = 6 → n = 4
B) n = 2 → n = 7
C) n = 4 → n = 6
D) n = 1 → n = 4
E) All transitions emit photons of equivalent energy

A

Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the absorption of the highest-energy photon.
A) n = 2 → n = 5
B) n = 4 → n = 2
C) n = 3 → n = 2
D) n = 5 → n = 2
E) All transitions absorb photons of equivalent energy.

A

What is the de Broglie wavelength (m) of an electron traveling at a velocity of 6.10 × 10⁶ m/s?
A) 1.19 × 10^-10
B) 8.39 × 10⁹
C) 8.39 × 10¹²
D) 1.19 × 10^-16
E) 1.19 × 10^-13

A

A 77.67 gram object traveling at a velocity of 386.7 m/s has a de Broglie wavelength of ________ m.
A) 2.206 × 10^-36
B) 2.206 × 10^-37
C) 2.206 × 10-³⁸
D) 1.990 × 10^-32
E) 2.206 × 10^-35

E

The de Broglie wavelength of a 0.02900 gram bullet traveling at the speed of 647.4 m/s is ________ m.
A) 3.529 × 10^-32
B) 3.529 × 10^-33
C) 3.529 × 10^-34
D) 3.529 × 10^-35
E) 1.244 × 10-³⁵

A

The symbol for the spin magnetic quantum number is ________.
A) ms
B) n
C) l
D) ml
E) sm

A

The angular momentum quantum number (l) value of 2 indicates the ________ subshell.
A) d
B) f
C) s
D) p
E) +1/2

A

At maximum, an d-subshell can hold ________ electrons.
A) 10
B) 6
C) 2
D) 8
E) 14

A

If an electron has a principal quantum number (n) of 7 and an angular momentum quantum number (l) of 3, the subshell designation is ________.
A) 7f
B) 7s
C) 7p
D) 3f
E) 3d

A

Which one of the following represents an acceptable set of quantum numbers for an electron in an atom? (arranged as n, l, ml, and ms )
A) 3, 2, -2, -1/2
B) 3, 3, -4, 1/2
C) 3, 4, 6, -1/2
D) 3, 2, 0, 0
E) 3, 3, 3, -1/2

A

Which one of the following represents an acceptable set of quantum numbers for an electron in an atom? (arranged as n, l, ml, and ms)
A) 3, 0, 0, -1/2
B) 3, -1, -4, 1/2
C) 3, -3, 1, -1/2
D) 0, 2, 1, 0
E) 3, 3, 4, 3

A

Which one of the following represents an impossible set of quantum numbers for an electron in an atom? (arranged as n, l, ml, and ms)
A) 4, 3, 0, 0
B) 4, 3, -3, 1/2
C) 4, 3, 3, -1/2
D) 4, 3, 0, +1/2
E) 4, 2, -2, -1/2

A

Which set of three quantum numbers (n, l, ml) corresponds to a 4s orbital?
A) 4,0,1
B) 4,0,2
C) 4,0,0
D) 4,1,0
E) 4,1,1

C

How many p-orbitals are occupied in a O atom?
A) 5
B) 6
C) 0
D) 3
E) 1

D

The element that corresponds to the electron configuration 1s²2s²2p² is ________.
A) lithium
B) beryllium
C) boron
D) nitrogen
E) carbon

E

There are ________ unpaired electrons in a ground state chlorine atom.
A) 4
B) 3
C) 2
D) 1
E) 0

D

The ground-state electron configuration of V is ________.
A) 1s22s22p63s23p64s23d3
B) 1s22s22p63s23p63d5
C) 1s22s22p63s23p11
D) 1s22s22p63s23p64s23d4
E) None of the above

A

The complete electron configuration of sulfur, element 16, is ________.
A) 1s22s22p63s23p4
B) 1s22s22p103s2
C) 1s42s42p63s2
D) 1S42s42p8
E) 1S62s62p23s2

A

The complete electron configuration of vanadium, element 23, is ________.
A) 1s22s22p103s23p7
B) 1s22s22p63s23p63d34s2
C) 1s42s42p63s43p5
D) 1s42s42p103s43p1
E) 1s42s42p83s43p3
Answer: B

B

In a ground-state copper atom, the ________ subshell is partially filled.
A) 3s
B) 4s
C) 4p
D) 3d
E) 4d

D

What is the principal quantum number for the outermost electrons in a Te atom in the ground state?
A) 5
B) 3
C) 4
D) 6
E) 7

A

What is the angular momentum quantum number for the outermost electrons in a manganese atom in the ground state?
A) -1
B) 1
C) 3
D) 2
E) 0

D

The condensed electron configuration of argon, element 18, is ________.
A) [Ne]3s4
B) [Ar]3s23p2
C) [Ne]3s23p6
D) [He]2s42p10
E) [He]3s4

C

The condensed electron configuration of titanium, element 22, is ________.
A) [Ar]3s23p6
B) [Ne]3s4
C) [Ar]3s43p4
D) [Ar]3d24s2
E) [Ne]3s43p2

D

The element that has a valence configuration of 2s2 is ________.
A) Be
B) Mg
C) Ca
D) Sr
E) Ba

A

The element that has a valence configuration of 5s25p6 is ________.
A) Xe
B) Rn
C) Ne
D) Ar
E) Kr

A

The element that has a valence configuration of 2s1 is ________.
A) Li
B) Na
C) K
D) Rb
E) Cs

A

What is the maximum angular momentum quantum number in the ground state electron configuration of iodine?
A) 3
B) 6
C) 7
D) 4
E) 5

D

A 750 nm wavelength light corresponds to which color within the visible region of the electromagnetic spectrum?

red

In the de Broglie formula describing the movement of an electron about the nucleus, the quantity "mv" is called its ________.

momentum

A line spectrum contains radiation of ________ wavelengths.

specific

The shape of an orbital is defined by the angular momentum quantum number which is represented as letter ________.

1

The maximum angular momentum quantum number in the ground state electron configuration of carbon is ________.

1

The maximum angular momentum quantum number in the ground state electron configuration of argon is ________.

2

The ground state electron configuration of scandium is ________.

[Ar]4s23d1

Which group is represented by a ns2np1 valence shell electron configuration?

3A

Which group is represented by a ns2np6 valence shell electron configuration?

8A

The ground state electron configuration of copper is ________.

[Ar]4s13d10

The wavelength of radio waves can be longer than a football field.

true

High energy and low wavelength light has the ability to eject electrons from metal surfaces.

true

If a hydrogen atom electron jumps from the n=6 orbit to the n=2 orbit, energy is released.

true

The square of Schrodinger's wave equation is called an orbital.

true

The electron density of the 5s orbital is symmetric.

true

The larger the principal quantum number of an orbital, the lower is the energy of the electrons in that orbital.

false

When the value of n is greater than or equal to 3, electrons can reside in d orbitals.

true

An NMR spectrum results from photon irradiation in which the electron spin alignment is flipped.

false