Question 1

Use Planck's equation to determine the energy,in J/photon,of radiation of frequency 5.8 × 1015 s-1.

Accepted Answer

A) 3.8 × 10-18 J 
B) 1.7 × 1024 J 
C) 5.8 × 10-25 J 
D) 1.7 × 10-16 J 
E) 5.2 × 10-8 J 
A) 3.8 × 10-18 J 
B) 1.7 × 1024 J 
C) 5.8 × 10-25 J 
D) 1.7 × 10-16 J 
E) 5.2 × 10-8 J

Question 2

The photoelectric effect:

Accepted Answer

A) was discovered by Max Planck 
B) describes the phenomenon of producing light by shining a beam of electrons by on any metal surface 
C) contradicted the view that light energy was dependent upon intensity only 
D) is not the same principle used in modern electric eyes and solar calculators 
E) results in a beam of electrons which increases in number,but not velocity,as the wavelength of incident light decreases 
A) was discovered by Max Planck 
B) describes the phenomenon of producing light by shining a beam of electrons by on any metal surface 
C) contradicted the view that light energy was dependent upon intensity only 
D) is not the same principle used in modern electric eyes and solar calculators 
E) results in a beam of electrons which increases in number,but not velocity,as the wavelength of incident light decreases

Question 3

What is the energy in joules of the 434 nm spectral line of hydrogen?

Accepted Answer

A) 1.53 × 10-27 J 
B) 4.58 × 10-28 J 
C) 1.04 × 1048 J 
D) 4.58 × 10-19 J 
E) 9.59 × 10-49 J 
A) 1.53 × 10-27 J 
B) 4.58 × 10-28 J 
C) 1.04 × 1048 J 
D) 4.58 × 10-19 J 
E) 9.59 × 10-49 J

Question 4

Which of the following orbitals have lobes aligned along the x axis?

Accepted Answer

A) dxy  
B) dx2-y2  
C) dxz  
D) dyz  
E) s 
A) dxy  
B) dx2-y2  
C) dxz  
D) dyz  
E) s

Question 5

The correct electron configuration for   Is ________.

Accepted Answer

A) [Br] 3d104s24p6  
B) [Ar] 3d104s24p6  
C) [Br] 4s23d104p5  
D) [Ar] 3d104s24p5  
E) [Ne] 3d104s24p6  
A) [Br] 3d104s24p6  
B) [Ar] 3d104s24p6  
C) [Br] 4s23d104p5  
D) [Ar] 3d104s24p5  
E) [Ne] 3d104s24p6

Question 6

The symbol "n" in the Bohr theory of atomic structure refers to the orbit in which an electron is found.

Accepted Answer

A) True 
 B)False

Question 7

How many valence electrons does a neutral tellurium atom have?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 52 
A) 2 
B) 4 
C) 6 
D) 52

Question 8

Which of the following is not possible?

Accepted Answer

A) 2p 
B) 4d 
C) 5p 
D) 3f 
E) 2s 
A) 2p 
B) 4d 
C) 5p 
D) 3f 
E) 2s

Question 9

Chlorine (atomic number = 17)has the electronic configuration: ________.

Accepted Answer

A) 1s22s22p63s23d5  
B) 1s22s22p62d53s2  
C) 1s22s22p63s23p5  
D) 1s22s22d103s2  
E) 1s22s22p62d63s1 
A) 1s22s22p63s23d5  
B) 1s22s22p62d53s2  
C) 1s22s22p63s23p5  
D) 1s22s22d103s2  
E) 1s22s22p62d63s1

Question 10

The condensed electron configuration of sulfur,element 16,is:

Accepted Answer

A) [Ne]3s2 
B) [Ar]3s2 
C) [Ne]3s23p4 
D) [He]2s42p8 
E) [He]3s2 
A) [Ne]3s2 
B) [Ar]3s2 
C) [Ne]3s23p4 
D) [He]2s42p8 
E) [He]3s2

Question 11

When an electron in an atom goes from a high energy state to a low one,what occurs?

Accepted Answer

A) Another electron goes from a low energy state to a high one. 
B) The atom moves faster. 
C) Light is given off. 
D) Light is absorbed. 
E) This process is not possible. 
A) Another electron goes from a low energy state to a high one. 
B) The atom moves faster. 
C) Light is given off. 
D) Light is absorbed. 
E) This process is not possible.

Question 12

What are the possible values of l if n = 6?

Accepted Answer

A) 6 
B) 0,1,2,3,4,or 5 
C) -4,-3,-2,-1,0,+1,+2,+3,or +4 
D) -5,-4,-3,-2,-1,0,+1,+2,+3,+4,or +5 
A) 6 
B) 0,1,2,3,4,or 5 
C) -4,-3,-2,-1,0,+1,+2,+3,or +4 
D) -5,-4,-3,-2,-1,0,+1,+2,+3,+4,or +5

Question 13

What is the smallest acceptable value for the missing quantum number?
N = ?,ℓ = 2,mℓ = 0,ms = +1/2

Accepted Answer

A) 3 
B) 2 
C) 4 
D) 5 
E) 1 
A) 3 
B) 2 
C) 4 
D) 5 
E) 1

Question 14

The relationship between the frequency of light and the energy of the light was postulated by:

Accepted Answer

A) Max Planck 
B) Johann Balmer 
C) Johannes Rydberg 
D) Albert Einstein 
E) Robert Bunsen 
A) Max Planck 
B) Johann Balmer 
C) Johannes Rydberg 
D) Albert Einstein 
E) Robert Bunsen

Question 15

"One places electrons into orbitals one by one from low energy to high energy" is one way of stating the:

Accepted Answer

A) Aufbau principle 
B) Hund's Rule 
C) Heisenberg Principle 
D) Pauli Exclusion Principle 
E) Rydberg's Principle 
A) Aufbau principle 
B) Hund's Rule 
C) Heisenberg Principle 
D) Pauli Exclusion Principle 
E) Rydberg's Principle

Question 16

What is the energy in joules of a mole of photons with the energy of the 434 nm spectral line of hydrogen?

Accepted Answer

A) 2.76 × 105 J 
B) 9.21 × 10-4 J 
C) 2.76 × 10-4 J 
D) 5.78 × 10-25 J 
E) 434 J 
A) 2.76 × 105 J 
B) 9.21 × 10-4 J 
C) 2.76 × 10-4 J 
D) 5.78 × 10-25 J 
E) 434 J

Question 17

The quantum numbers of the last electron of cerium are ________.

Accepted Answer

A) n = 6,ℓ = 3,mℓ = -2,ms = +1/2 
B) n = 5,ℓ = 3,mℓ = -2,ms = +1/2 
C) n = 4,ℓ = 3,mℓ = -2,ms = +1/2 
D) n = 4,ℓ = 2,mℓ = -2,ms = +1/2 
E) n = 4,ℓ = 4,mℓ = -2,ms = +1/2 
A) n = 6,ℓ = 3,mℓ = -2,ms = +1/2 
B) n = 5,ℓ = 3,mℓ = -2,ms = +1/2 
C) n = 4,ℓ = 3,mℓ = -2,ms = +1/2 
D) n = 4,ℓ = 2,mℓ = -2,ms = +1/2 
E) n = 4,ℓ = 4,mℓ = -2,ms = +1/2

Question 18

Calculate the deBroglie wavelength of a ball of mass 125 grams and velocity 90 m/s.

Accepted Answer

A) 0.59 m 
B) 5.9 × 10-31 m 
C) 5.9 × 10-35 m 
D) 590 m 
E) 1.7 × 1034 m 
A) 0.59 m 
B) 5.9 × 10-31 m 
C) 5.9 × 10-35 m 
D) 590 m 
E) 1.7 × 1034 m

Question 19

Experimental evidence for electron spin:

Accepted Answer

A) has not yet been found 
B) was provided by Uhlenbeck and Goudsmit in 1925 
C) came as the result of an experiment with vaporized silver atoms,which was originally designed for another purpose 
D) is provided each time we make mirror-image molecules,called left and right-handed isomers 
E) is not needed because the concept is only for our convenience 
A) has not yet been found 
B) was provided by Uhlenbeck and Goudsmit in 1925 
C) came as the result of an experiment with vaporized silver atoms,which was originally designed for another purpose 
D) is provided each time we make mirror-image molecules,called left and right-handed isomers 
E) is not needed because the concept is only for our convenience

Question 20

1s22s22p63s23p64s23d3 is the ground state electronic configuration of ________.

Accepted Answer

A) scandium 
B) niobium 
C) chromium 
D) vanadium 
E) molybdenum 
A) scandium 
B) niobium 
C) chromium 
D) vanadium 
E) molybdenum

Exam 8: Electrons in Atoms

Use Planck's equation to determine the energy,in J/photon,of radiation of frequency 5.8 × 1015 s-1.

The photoelectric effect:

What is the energy in joules of the 434 nm spectral line of hydrogen?

Which of the following orbitals have lobes aligned along the x axis?

The correct electron configuration for Is ________.

The symbol "n" in the Bohr theory of atomic structure refers to the orbit in which an electron is found.

How many valence electrons does a neutral tellurium atom have?

Which of the following is not possible?

Chlorine (atomic number = 17)has the electronic configuration: ________.

The condensed electron configuration of sulfur,element 16,is:

When an electron in an atom goes from a high energy state to a low one,what occurs?

What are the possible values of l if n = 6?

What is the smallest acceptable value for the missing quantum number? N = ?,ℓ = 2,mℓ = 0,ms = +1/2

The relationship between the frequency of light and the energy of the light was postulated by:

"One places electrons into orbitals one by one from low energy to high energy" is one way of stating the:

What is the energy in joules of a mole of photons with the energy of the 434 nm spectral line of hydrogen?

The quantum numbers of the last electron of cerium are ________.

Calculate the deBroglie wavelength of a ball of mass 125 grams and velocity 90 m/s.

Experimental evidence for electron spin:

1s22s22p63s23p64s23d3 is the ground state electronic configuration of ________.

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemical Kinetics

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

Use Planck's equation to determine the energy,in J/photon,of radiation of frequency 5.8 × 10¹⁵ s^-1.

What is the smallest acceptable value for the missing quantum number? N = ?,ℓ = 2,m_ℓ = 0,m_s = +1/2

1s²2s²2p⁶3s²3p⁶4s²3d³ is the ground state electronic configuration of ________.