Question 1

The electron configuration of a ground-state vanadium atom is

Accepted Answer

A)  [Ar]4s24d3. 
B)  [Ar]4s24p3. 
C)  [Ar]4s23d3. 
D)  [Ar]3d5. 
A)  [Ar]4s24d3. 
B)  [Ar]4s24p3. 
C)  [Ar]4s23d3. 
D)  [Ar]3d5.

Question 2

What is the ground-state electron configuration for chlorine

Accepted Answer

A)  1s22s22p63s23p4 or [Ne]3s23p4 
B)  1s22s22p63s2 or [Ne]3s2 
C)  1s22s22p63s23p6 or [Ne]3s23p6 
D)  1s22s22p63s23p5 or [Ne]3s23p5 
E)  None of the above 
A)  1s22s22p63s23p4 or [Ne]3s23p4 
B)  1s22s22p63s2 or [Ne]3s2 
C)  1s22s22p63s23p6 or [Ne]3s23p6 
D)  1s22s22p63s23p5 or [Ne]3s23p5 
E)  None of the above

Question 3

Which of the following is the ground-state electron configuration of Ir

Accepted Answer

A)  [Xe]6s25d7 
B)  [Xe]6s26d7 
C)  [Xe]6s24f145d7 
D)  [Xe]6s25f146d7 
E)  [Xe]4s25f146d7 
A)  [Xe]6s25d7 
B)  [Xe]6s26d7 
C)  [Xe]6s24f145d7 
D)  [Xe]6s25f146d7 
E)  [Xe]4s25f146d7

Question 4

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

Accepted Answer

A)  2.70 * 10-43 J 
B)  5.43 * 10-33 J 
C)  1.63 * 10-24 J 
D)  4.07 * 10-10 J 
E)  2.46 * 109 J 
A)  2.70 * 10-43 J 
B)  5.43 * 10-33 J 
C)  1.63 * 10-24 J 
D)  4.07 * 10-10 J 
E)  2.46 * 109 J

Question 5

An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Accepted Answer

A)  256 m 
B)  236 m 
C)  216 m 
D)  196 m 
E)  None of the above 
A)  256 m 
B)  236 m 
C)  216 m 
D)  196 m 
E)  None of the above

Question 6

Which, if any, represents the ground state electron configuration for the selenium atom

Accepted Answer

A)  [Ar] 4s23d104p3 or 1s22s22p63s23p64s23d104p3 
B)  [Ar] 4s23d103p4 or 1s22s22p63s23p64s23d103p4 
C)  [Kr] 4s23d104p4 or 1s22s22p63s23p64s23d104p4 
D)  [Ar] 4s23d104p4 or 1s22s22p63s23p64s23d104p4 
E)  None of the Above 
A)  [Ar] 4s23d104p3 or 1s22s22p63s23p64s23d104p3 
B)  [Ar] 4s23d103p4 or 1s22s22p63s23p64s23d103p4 
C)  [Kr] 4s23d104p4 or 1s22s22p63s23p64s23d104p4 
D)  [Ar] 4s23d104p4 or 1s22s22p63s23p64s23d104p4 
E)  None of the Above

Question 7

The orbital diagram for a ground-state oxygen atom is

Accepted Answer

The answer of The orbital diagram for a ground-state oxygen...

Question 8

Which of the following is the electron configuration of an excited state of an oxygen atom

Accepted Answer

A)  1s22s22p4 
B)  1s22s22p5 
C)  1s22s22p33s1 
D)  1s22s22p6 
E)  1s22s22p3 
A)  1s22s22p4 
B)  1s22s22p5 
C)  1s22s22p33s1 
D)  1s22s22p6 
E)  1s22s22p3

Question 9

The second line of the Balmer series occurs at a wavelength of 486.1 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process

Accepted Answer

A)  2.44 * 1018 J 
B)  4.09 * 10-19 J 
C)  4.09 * 10-22 J 
D)  4.09 * 10-28 J 
E)  1.07 * 10-48 J 
A)  2.44 * 1018 J 
B)  4.09 * 10-19 J 
C)  4.09 * 10-22 J 
D)  4.09 * 10-28 J 
E)  1.07 * 10-48 J

Question 10

If a hydrogen atom and a helium atom have the same kinetic energy,

Accepted Answer

A)  the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B)  the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C)  the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D)  the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E)  the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom. 
A)  the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom. 
B)  the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium. 
C)  the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom. 
D)  the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom. 
E)  the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.

Question 11

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

Accepted Answer

A)  1.80 * 10-3 nm 
B)  556 nm 
C)  618 nm 
D)  6180 nm 
E)  1.61 * 1023 nm 
A)  1.80 * 10-3 nm 
B)  556 nm 
C)  618 nm 
D)  6180 nm 
E)  1.61 * 1023 nm

Question 12

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Accepted Answer

A)  2.948 m 
B)  2.958 m 
C)  2.968 m 
D)  2.978 m 
E)  None of the above 
A)  2.948 m 
B)  2.958 m 
C)  2.968 m 
D)  2.978 m 
E)  None of the above

Question 13

There is nothing wrong with the following set of quantum numbers:
n = 3, l = 1, ml = 0, ms = +1/2

Accepted Answer

A) True 
 B)False

Question 14

Which one of the following sets of quantum numbers represents an electron with the highest energy

Accepted Answer

A)  n = 2, l = 1, ml = 0, ms = +1/2 
B)  n = 3, l = 0, ml = 0, ms = -1/2 
C)  n = 2, l = 0, ml = 0, ms = +1/2 
D)  n = 3, l = 2, ml = 1, ms = -1/2 
E)  n = 3, l = 1, ml = 1, ms = +1/2 
A)  n = 2, l = 1, ml = 0, ms = +1/2 
B)  n = 3, l = 0, ml = 0, ms = -1/2 
C)  n = 2, l = 0, ml = 0, ms = +1/2 
D)  n = 3, l = 2, ml = 1, ms = -1/2 
E)  n = 3, l = 1, ml = 1, ms = +1/2

Question 15

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10-27 kg)

Accepted Answer

A)  8.4 * 10-15 m 
B)  7.4 * 10-15 m 
C)  6.4 * 10-15 m 
D)  5.4 * 10-15 m 
E)  None of the above 
A)  8.4 * 10-15 m 
B)  7.4 * 10-15 m 
C)  6.4 * 10-15 m 
D)  5.4 * 10-15 m 
E)  None of the above

Question 16

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element

Accepted Answer

A)  Sulfur 
B)  Argon 
C)  Bromine 
D)  Potassium 
E)  None of the above 
A)  Sulfur 
B)  Argon 
C)  Bromine 
D)  Potassium 
E)  None of the above

Question 17

Which of the following, if any, is the correct ground state electron configuration for Ni

Accepted Answer

A)  [Ar] 4s23d5 or 1s22s22p63s23p64s23d5 
B)  [Ar] 4s23d6 or 1s22s22p63s23p64s23d6 
C)  [Ar] 4s23d7 or 1s22s22p63s23p64s23d7 
D)  [Ar] 4s23d8 or 1s22s22p63s23p64s23d8 
E)  None of the above 
A)  [Ar] 4s23d5 or 1s22s22p63s23p64s23d5 
B)  [Ar] 4s23d6 or 1s22s22p63s23p64s23d6 
C)  [Ar] 4s23d7 or 1s22s22p63s23p64s23d7 
D)  [Ar] 4s23d8 or 1s22s22p63s23p64s23d8 
E)  None of the above

Question 18

Which of the following electronic transitions is consistent with a decrease in energy

Accepted Answer

A)  From a 5s subshell to a 4d subshell 
B)  From a 4f subshell to a 5p subshell 
C)  From a 6s subshell to a 5d subshell 
D)  From a 5s subshell to a 5p subshell 
E)  From a 4f subshell to a 6p subshell 
A)  From a 5s subshell to a 4d subshell 
B)  From a 4f subshell to a 5p subshell 
C)  From a 6s subshell to a 5d subshell 
D)  From a 5s subshell to a 5p subshell 
E)  From a 4f subshell to a 6p subshell

Question 19

Which of the following is the ground-state electron configuration of Pb

Accepted Answer

A)  [Xe]6s25d106p2 
B)  [Xe]6s26d106p2 
C)  [Xe]6s24f146p2 
D)  [Xe]6s25f146d106p2 
E)  [Xe]6s24f145d106p2 
A)  [Xe]6s25d106p2 
B)  [Xe]6s26d106p2 
C)  [Xe]6s24f146p2 
D)  [Xe]6s25f146d106p2 
E)  [Xe]6s24f145d106p2

Question 20

How many orbitals are allowed in a subshell if l = 2

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  7 
E)  9 
A)  1 
B)  3 
C)  5 
D)  7 
E)  9

Exam 7: Quantum Theory and the Electronic Structure of Atoms

The electron configuration of a ground-state vanadium atom is

What is the ground-state electron configuration for chlorine

Which of the following is the ground-state electron configuration of Ir

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Which, if any, represents the ground state electron configuration for the selenium atom

The orbital diagram for a ground-state oxygen atom is

Which of the following is the electron configuration of an excited state of an oxygen atom

The second line of the Balmer series occurs at a wavelength of 486.1 nm. What is the energy difference between the initial and final levels of the hydrogen atom in this emission process

If a hydrogen atom and a helium atom have the same kinetic energy,

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

There is nothing wrong with the following set of quantum numbers: n = 3, l = 1, ml = 0, ms = +1/2

Which one of the following sets of quantum numbers represents an electron with the highest energy

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10-27 kg)

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element

Which of the following, if any, is the correct ground state electron configuration for Ni

Which of the following electronic transitions is consistent with a decrease in energy

Which of the following is the ground-state electron configuration of Pb

How many orbitals are allowed in a subshell if l = 2

Chemistry: The Study of Change

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Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

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Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

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What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 10⁸ m/s; h = 6.626 * 10^-34 J.s)

An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

What is the wavelength of radiation that has a frequency of 5.39 * 10¹⁴ s^-1? (c = 2.9979 * 10⁸ m/s)

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

There is nothing wrong with the following set of quantum numbers: n = 3, l = 1, m_l = 0, m_s = +1/2

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10^-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10^-27 kg)