Question 1

In general, which of the following is usually the weakest bond?

Accepted Answer

A)  covalent bond 
B)  hydrogen bond 
C)  van der Waals bond 
D)  ionic bond 
A)  covalent bond 
B)  hydrogen bond 
C)  van der Waals bond 
D)  ionic bond

Question 2

In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency $f$ is

Accepted Answer

A)  $h f$. 
B)  $3 h f / 2$. 
C)  $h f / 2$. 
D)  $h f / 4$. 
A)  $h f$. 
B)  $3 h f / 2$. 
C)  $h f / 2$. 
D)  $h f / 4$.

Question 3

In general, which of the following is usually the strongest bond?

Accepted Answer

A)  ionic bond 
B)  van der Waals bond 
C)  hydrogen bond 
A)  ionic bond 
B)  van der Waals bond 
C)  hydrogen bond

Question 4

A diatomic quantum mechanical rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have energy equal to

Accepted Answer

A)  3E. 
B)  2E. 
C)  6E. 
D)  none of the given answers. 
A)  3E. 
B)  2E. 
C)  6E. 
D)  none of the given answers.

Question 5

Van der Waals bonding is due to

Accepted Answer

A)  atoms bonding to hydrogen molecules. 
B)  the sharing of electrons between atoms. 
C)  the transfer of electrons between atoms. 
D)  unequal charge distribution around neutral molecules. 
A)  atoms bonding to hydrogen molecules. 
B)  the sharing of electrons between atoms. 
C)  the transfer of electrons between atoms. 
D)  unequal charge distribution around neutral molecules.

Question 6

If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?

Accepted Answer

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

In general, which of the following is usually the weakest bond?

In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency $f$ is

In general, which of the following is usually the strongest bond?

A diatomic quantum mechanical rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have energy equal to

Van der Waals bonding is due to

If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?

Introduction, Measurement, Estimating

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Exam 29: Molecules and Solids

In general, which of the following is usually the weakest bond?

In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency fff is

In general, which of the following is usually the strongest bond?

A diatomic quantum mechanical rotator in the L = 1 quantum state has energy E. The same rotator in the L = 2 quantum state will have energy equal to

Van der Waals bonding is due to

If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?

Introduction, Measurement, Estimating

Describing Motion: Kinematics in One Dimension

Kinematics in Two Dimensions; Vectors

Dynamics: Newtons Laws of Motion

Circular Motion; Gravitation

Work and Energy

Linear Momentum

Rotational Motion

Static Equilibrium; Elasticity and Fracture

Fluids

Oscillations and Waves

Sound

Temperature and Kinetic Theory

Heat

The Laws of Thermodynamics

Electric Charge and Electric Field

Electric Potential

Electric Currents

Dc Circuits

Magnetism

Electromagnetic Induction and Faradays Law

Electromagnetic Waves

Light: Geometric Optics

The Wave Nature of Light

Optical Instruments

The Special Theory of Relativity

Early Quantum Theory and Models of the Atom

Quantum Mechanics of Atoms

Nuclear Physics and Radioactivity

Nuclear Energy; Effects and Uses of Radiation

Elementary Particles

Astrophysics and Cosmology

Filters

In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency $f$ is