Question 1

Which of the following atoms is diamagnetic in its ground-state

Accepted Answer

A)  Ca 
B)  As 
C)  Cu 
D)  Fe 
E)  none of these 
A)  Ca 
B)  As 
C)  Cu 
D)  Fe 
E)  none of these

Question 2

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by En = -2.18 * 10-18 J(1/n2)

Accepted Answer

A)  2.07 * 10-29 J 
B)  2.25 * 10-18 J 
C)  2.04 * 10-18 J 
D)  3.27 * 10-17 J 
E)  2.19 * 105 J 
A)  2.07 * 10-29 J 
B)  2.25 * 10-18 J 
C)  2.04 * 10-18 J 
D)  3.27 * 10-17 J 
E)  2.19 * 105 J

Question 3

The quantum numbers, n = 4, l = 1, ml = 1, ms = +1/2, represent an electron in a ______ subshell.

Accepted Answer

A)  4s 
B)  3s 
C)  4p 
D)  3p 
E)  None of the above 
A)  4s 
B)  3s 
C)  4p 
D)  3p 
E)  None of the above

Question 4

Which element has the following ground-state electron configuration
[Xe]6s24f145d10

Accepted Answer

A)  Lu 
B)  Cd 
C)  Hg 
D)  Lr 
E)  Au 
A)  Lu 
B)  Cd 
C)  Hg 
D)  Lr 
E)  Au

Question 5

What is the maximum number of electrons in an atom that can have the following set of quantum numbers
N = 3 $~~$l = 1 $~~$ml = -1

Accepted Answer

A)  18 
B)  6 
C)  3 
D)  2 
E)  1 
A)  18 
B)  6 
C)  3 
D)  2 
E)  1

Question 6

Which of the following frequencies of light has the highest energy

Accepted Answer

A)  2.5 x 1010 s-1 
B)  7.0 x 1013 s-1 
C)  2.3 x 1014 s-1 
D)  5.0 x 1014 s-1 
E)  1.4 x 1015 s-1 
A)  2.5 x 1010 s-1 
B)  7.0 x 1013 s-1 
C)  2.3 x 1014 s-1 
D)  5.0 x 1014 s-1 
E)  1.4 x 1015 s-1

Question 7

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Accepted Answer

A)  1.0 * 10-13 m 
B)  1.0 * 10-10 m 
C)  1.0 * 10-7 m 
D)  1.0 m 
A)  1.0 * 10-13 m 
B)  1.0 * 10-10 m 
C)  1.0 * 10-7 m 
D)  1.0 m

Question 8

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10-3 m.

Accepted Answer

A)  Gamma rays 
B)  X rays 
C)  Ultraviolet 
D)  Infrared 
E)  Microwave 
A)  Gamma rays 
B)  X rays 
C)  Ultraviolet 
D)  Infrared 
E)  Microwave

Question 9

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle

Accepted Answer

A)  Cu and C 
B)  Cr and Cu 
C)  Cs and Cl 
D)  Rb and Co 
E)  Fe and Co 
A)  Cu and C 
B)  Cr and Cu 
C)  Cs and Cl 
D)  Rb and Co 
E)  Fe and Co

Question 10

Each shell (principal energy level) of quantum number n contains n subshells.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A)  [Ar]4s23d7 
B)  [Ar]4s23d6 
C)  [Ar]4s23d8 
D)  [Ar]4s13d7 
E)  [Ar]4s13d5 
A)  [Ar]4s23d7 
B)  [Ar]4s23d6 
C)  [Ar]4s23d8 
D)  [Ar]4s13d7 
E)  [Ar]4s13d5

Question 12

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s

Accepted Answer

A)  4.63 * 10-22 nm 
B)  5.63 * 10-22 nm 
C)  6.63 * 10-22 nm 
D)  7.63 * 10-22 nm 
E)  None of the above 
A)  4.63 * 10-22 nm 
B)  5.63 * 10-22 nm 
C)  6.63 * 10-22 nm 
D)  7.63 * 10-22 nm 
E)  None of the above

Question 13

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10-1 m.

Accepted Answer

A)  Gamma rays 
B)  X rays 
C)  Ultraviolet 
D)  Infrared 
E)  Microwave 
A)  Gamma rays 
B)  X rays 
C)  Ultraviolet 
D)  Infrared 
E)  Microwave

Question 14

An electron gains energy in the transition from a 4d subshell to a 5s subshell.

Accepted Answer

A) True 
 B)False

Question 15

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 * 105 m/s. The atomic mass of 20Ne is 19.992 amu.

Accepted Answer

A)  1.7 * 10-40 m 
B)  1.0 * 10-18 m 
C)  1.0 * 10-16 m 
D)  1.0 * 10-13 m 
E)  9.7 * 1012 m 
A)  1.7 * 10-40 m 
B)  1.0 * 10-18 m 
C)  1.0 * 10-16 m 
D)  1.0 * 10-13 m 
E)  9.7 * 1012 m

Which of the following atoms is diamagnetic in its ground-state

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by E_n = -2.18 * 10^-18 J(1/n²)

The quantum numbers, n = 4, l = 1, m_l = 1, m_s = +1/2, represent an electron in a ______ subshell.

Which element has the following ground-state electron configuration [Xe]6s²4f¹⁴5d¹⁰

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 3 $$ l = 1 $$ m_l = -1

Which of the following frequencies of light has the highest energy

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 10³ kilometers per second. The mass of an electron is 9.1 * 10^-28 g.

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10^-3 m.

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle

Each shell (principal energy level) of quantum number n contains n subshells.

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

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10^-1 m.

An electron gains energy in the transition from a 4d subshell to a 5s subshell.

Calculate the wavelength associated with a ²⁰Ne⁺ ion moving at a velocity of 2.0 * 10⁵ m/s. The atomic mass of ²⁰Ne is 19.992 amu.

Chemistry: The Study of Change

Atoms Molecules and Ions

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

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Exam 7: Quantum Theory and the Electronic Structure of Atoms

Which of the following atoms is diamagnetic in its ground-state

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by En = -2.18 * 10-18 J(1/n2)

The quantum numbers, n = 4, l = 1, ml = 1, ms = +1/2, represent an electron in a ______ subshell.

Which element has the following ground-state electron configuration [Xe]6s24f145d10

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 3 ~~ l = 1 ~~ ml = -1

Which of the following frequencies of light has the highest energy

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10-3 m.

Which choice lists two elements with ground-state electron configurations that are well known exceptions to the Aufbau principle

Each shell (principal energy level) of quantum number n contains n subshells.

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

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10-1 m.

An electron gains energy in the transition from a 4d subshell to a 5s subshell.

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 * 105 m/s. The atomic mass of 20Ne is 19.992 amu.

Chemistry: The Study of Change

Atoms Molecules and Ions

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

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by E_n = -2.18 * 10^-18 J(1/n²)

The quantum numbers, n = 4, l = 1, m_l = 1, m_s = +1/2, represent an electron in a ______ subshell.

Which element has the following ground-state electron configuration [Xe]6s²4f¹⁴5d¹⁰

What is the maximum number of electrons in an atom that can have the following set of quantum numbers N = 3 $$ l = 1 $$ m_l = -1

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 10³ kilometers per second. The mass of an electron is 9.1 * 10^-28 g.

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10^-3 m.

Using the figure below, categorize electromagnetic radiation with a wavelength of 1.0 x 10^-1 m.

Calculate the wavelength associated with a ²⁰Ne⁺ ion moving at a velocity of 2.0 * 10⁵ m/s. The atomic mass of ²⁰Ne is 19.992 amu.