Question 1

Other factors being constant, a heavy object will have a longer de Broglie wavelength than a light object.

Accepted Answer

A) True 
 B)False

Question 2

Electromagnetic radiation of 500 nm wavelength lies in the __________ region of the spectrum.

Accepted Answer

A) infrared 
B) visible 
C) ultraviolet 
D) X-ray 
E) γ-ray 
A) infrared 
B) visible 
C) ultraviolet 
D) X-ray 
E) γ-ray

Question 3

A radio wave has a frequency of 8.6 × 108 Hz. What is the energy of one photon of this radiation?

Accepted Answer

A) 7.7 × 10 −43 J 
B) 2.3 × 10 −34 J 
C) 5.7 × 10 −25 J 
D) 1.7 × 10 −16 J 
E) > 10 −15 J 
A) 7.7 × 10 −43 J 
B) 2.3 × 10 −34 J 
C) 5.7 × 10 −25 J 
D) 1.7 × 10 −16 J 
E) > 10 −15 J

Question 4

An infrared wave has a wavelength of 6.5 × 10−4 cm. What is this distance in angstroms, Å?

Accepted Answer

A) 6.5 × 10 −4 Å 
B) 2.2 × 10 −4 Å 
C) 4.6 × 10 3 Å 
D) 6.5 × 10 4 Å 
E) 6.5 × 10 6 Å 
A) 6.5 × 10 −4 Å 
B) 2.2 × 10 −4 Å 
C) 4.6 × 10 3 Å 
D) 6.5 × 10 4 Å 
E) 6.5 × 10 6 Å

Question 5

Who was the first scientist to propose that the atom had a dense nucleus that occupied only a small fraction of the volume of the atom?

Accepted Answer

A) Planck 
B) Bohr 
C) Rydberg 
D) Rutherford 
E) Thomson 
A) Planck 
B) Bohr 
C) Rydberg 
D) Rutherford 
E) Thomson

Question 6

For all the allowed vibration(s) (wavelength(s)) of a plucked guitar string, what is the correct relationship between the length of the string, L, and the wavelength, λ?

Accepted Answer

A) L = λ/2 
B) L = λ 
C) L = nλ/2 where n is a positive integer 
D) L = nλ where n is a positive integer 
E) L = 1/λ 
A) L = λ/2 
B) L = λ 
C) L = nλ/2 where n is a positive integer 
D) L = nλ where n is a positive integer 
E) L = 1/λ

Question 7

The shape of an atomic orbital is associated with

Accepted Answer

A) the principal quantum number ( n). 
B) the angular momentum quantum number ( l). 
C) the magnetic quantum number ( ml). 
D) the spin quantum number ( ms). 
E) the magnetic and spin quantum numbers, together. 
A) the principal quantum number ( n). 
B) the angular momentum quantum number ( l). 
C) the magnetic quantum number ( ml). 
D) the spin quantum number ( ms). 
E) the magnetic and spin quantum numbers, together.

Question 8

Which one of the following sets of quantum numbers can correctly represent a 3p orbital?

Accepted Answer

A) n = 3 l = 1 ml = 2 
B) n = 1 l = 3 ml = 3 
C) n = 3 l = 2 ml = 1 
D) n = 3 l = 1 ml = −1 
E) n = 3 l = 0 ml = 1 
A) n = 3 l = 1 ml = 2 
B) n = 1 l = 3 ml = 3 
C) n = 3 l = 2 ml = 1 
D) n = 3 l = 1 ml = −1 
E) n = 3 l = 0 ml = 1

Question 9

The AM station KBOR plays your favorite music from the 20s and 30s at 1290 kHz. Find the wavelength of these waves.

Accepted Answer

A) 4.30 × 10 −2 m 
B) 0.144 m 
C) 6.94 m 
D) 232 m 
E) > 10 3 m 
A) 4.30 × 10 −2 m 
B) 0.144 m 
C) 6.94 m 
D) 232 m 
E) > 10 3 m

Other factors being constant, a heavy object will have a longer de Broglie wavelength than a light object.

Electromagnetic radiation of 500 nm wavelength lies in the __________ region of the spectrum.

A radio wave has a frequency of 8.6 × 10⁸ Hz. What is the energy of one photon of this radiation?

An infrared wave has a wavelength of 6.5 × 10⁻⁴ cm. What is this distance in angstroms, Å?

Who was the first scientist to propose that the atom had a dense nucleus that occupied only a small fraction of the volume of the atom?

For all the allowed vibration(s) (wavelength(s)) of a plucked guitar string, what is the correct relationship between the length of the string, L, and the wavelength, λ?

The shape of an atomic orbital is associated with

Which one of the following sets of quantum numbers can correctly represent a 3p orbital?

The AM station KBOR plays your favorite music from the 20s and 30s at 1290 kHz. Find the wavelength of these waves.

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 7: Quantum Theory and Atomic Structure

Other factors being constant, a heavy object will have a longer de Broglie wavelength than a light object.

Electromagnetic radiation of 500 nm wavelength lies in the __________ region of the spectrum.

A radio wave has a frequency of 8.6 × 108 Hz. What is the energy of one photon of this radiation?

An infrared wave has a wavelength of 6.5 × 10−4 cm. What is this distance in angstroms, Å?

Who was the first scientist to propose that the atom had a dense nucleus that occupied only a small fraction of the volume of the atom?

For all the allowed vibration(s) (wavelength(s)) of a plucked guitar string, what is the correct relationship between the length of the string, L, and the wavelength, λ?

The shape of an atomic orbital is associated with

Which one of the following sets of quantum numbers can correctly represent a 3p orbital?

The AM station KBOR plays your favorite music from the 20s and 30s at 1290 kHz. Find the wavelength of these waves.

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

A radio wave has a frequency of 8.6 × 10⁸ Hz. What is the energy of one photon of this radiation?

An infrared wave has a wavelength of 6.5 × 10⁻⁴ cm. What is this distance in angstroms, Å?