Question 1

What is the wavelength of an electron (mass = 9.11×10 - 31 kg) moving with a velocity of 60 m/s (h = 6.6×10 - 34 J × s)?

Accepted Answer

A)  2.8×10 - 5 m 
B)  3.6×10 - 7 m 
C)  1.2×10 - 5 m 
D)  4.2×10 - 7 m 
E)  none of these 
A)  2.8×10 - 5 m 
B)  3.6×10 - 7 m 
C)  1.2×10 - 5 m 
D)  4.2×10 - 7 m 
E)  none of these

Question 2

Which of the following orbital diagrams for the ground state electronic configuration for a phosphorus atom is correct?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 3

What is the wavelength of light with a frequency of 5.2×1014 Hz?

Accepted Answer

A)  1.7×106 m 
B)  1.9×10 - 7 m 
C)  5.8×10 - 7 m 
D)  3.8×10 - 5 m 
E)  none of these 
A)  1.7×106 m 
B)  1.9×10 - 7 m 
C)  5.8×10 - 7 m 
D)  3.8×10 - 5 m 
E)  none of these

Question 4

Calculate the wavelength of light emitted when an electron in the hydrogen atom goes from the n = 4 shell to the n = 2 shell.

Accepted Answer

A)  2.06×106 m 
B)  4.86×10 - 7 m 
C)  3.65×10 - 7 m 
D)  4.09×10 - 19 m 
E)  none of these 
A)  2.06×106 m 
B)  4.86×10 - 7 m 
C)  3.65×10 - 7 m 
D)  4.09×10 - 19 m 
E)  none of these

Question 5

From the modern day Quantum theory of the atom, which theory postulates that the mass of the electron and its exact position cannot be deduced simultaneously and that we must be satisfied with the probability of finding the electron?

Accepted Answer

A)  Pauli Exclusion Principle 
B)  Heisenberg uncertainty principle 
C)  Einstein's theory of relativity 
D)  Light as a particle and a wave 
E)  Bohr's model of the Hydrogen atom 
A)  Pauli Exclusion Principle 
B)  Heisenberg uncertainty principle 
C)  Einstein's theory of relativity 
D)  Light as a particle and a wave 
E)  Bohr's model of the Hydrogen atom

Question 6

The quantum number l for an electron in an atom is 2. This electron is definitely located in:

Accepted Answer

A)  the first principal shell 
B)  the second principal shell 
C)  an s subshell 
D)  a p subshell 
E)  a d subshell 
A)  the first principal shell 
B)  the second principal shell 
C)  an s subshell 
D)  a p subshell 
E)  a d subshell

What is the wavelength of an electron (mass = 9.11×10^{- 31} kg) moving with a velocity of 60 m/s (h = 6.6×10^{- 34} J × s)?

Which of the following orbital diagrams for the ground state electronic configuration for a phosphorus atom is correct?

What is the wavelength of light with a frequency of 5.2×10¹⁴ Hz?

Calculate the wavelength of light emitted when an electron in the hydrogen atom goes from the n = 4 shell to the n = 2 shell.

From the modern day Quantum theory of the atom, which theory postulates that the mass of the electron and its exact position cannot be deduced simultaneously and that we must be satisfied with the probability of finding the electron?

The quantum number l for an electron in an atom is 2. This electron is definitely located in:

Introduction to Chemistry

Atoms, Molecules, and Ions

Equations, the Mole, and Chemical Formulas

Chemical Reactions in Solution

Thermochemistry

The Gaseous State

The Periodic Table: Structure and Trends

Chemical Bonds

Molecular Structure and Bonding Theories

Liquids and Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Solutions of Acids and Bases

Reactions Between Acids and Bases

Chemical Thermodynamics

Electrochemistry

Transition Metals, Coordination Chemistry and Metallurgy

The Chemistry of Hydrogen, Elements in Groups 3A Through 6A, and the Noble Gases

Nuclear Chemistry

Organic Chemistry and Biochemistry

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Exam 7: Electronic Structure

What is the wavelength of an electron (mass = 9.11×10 - 31 kg) moving with a velocity of 60 m/s (h = 6.6×10 - 34 J × s)?

Which of the following orbital diagrams for the ground state electronic configuration for a phosphorus atom is correct?

What is the wavelength of light with a frequency of 5.2×1014 Hz?

Calculate the wavelength of light emitted when an electron in the hydrogen atom goes from the n = 4 shell to the n = 2 shell.

From the modern day Quantum theory of the atom, which theory postulates that the mass of the electron and its exact position cannot be deduced simultaneously and that we must be satisfied with the probability of finding the electron?

The quantum number l for an electron in an atom is 2. This electron is definitely located in:

Introduction to Chemistry

Atoms, Molecules, and Ions

Equations, the Mole, and Chemical Formulas

Chemical Reactions in Solution

Thermochemistry

The Gaseous State

The Periodic Table: Structure and Trends

Chemical Bonds

Molecular Structure and Bonding Theories

Liquids and Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Solutions of Acids and Bases

Reactions Between Acids and Bases

Chemical Thermodynamics

Electrochemistry

Transition Metals, Coordination Chemistry and Metallurgy

The Chemistry of Hydrogen, Elements in Groups 3A Through 6A, and the Noble Gases

Nuclear Chemistry

Organic Chemistry and Biochemistry

Filters

What is the wavelength of an electron (mass = 9.11×10^{- 31} kg) moving with a velocity of 60 m/s (h = 6.6×10^{- 34} J × s)?

What is the wavelength of light with a frequency of 5.2×10¹⁴ Hz?