Question 1

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Accepted Answer

A)  4.85 × 10-19 J 
B)  2.06 × 10-19 J 
C)  1.23 × 10-19 J 
D)  8.13 × 10-19 J 
E)  5.27 × 10-19 J 
A)  4.85 × 10-19 J 
B)  2.06 × 10-19 J 
C)  1.23 × 10-19 J 
D)  8.13 × 10-19 J 
E)  5.27 × 10-19 J

Question 2

Identify the correct values for a 2p sublevel.

Accepted Answer

A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = +2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 1, ml = 0 
E)  n = 4, l = -1, ml = +2 
A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = +2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 1, ml = 0 
E)  n = 4, l = -1, ml = +2

Question 3

Identify the correct values for a 1s sublevel.

Accepted Answer

A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = -2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 0, ml =1 
E)  n = 4, l = -1, ml = -2 
A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = -2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 0, ml =1 
E)  n = 4, l = -1, ml = -2

Question 4

Which of the following types of electromagnetic radiation has the lowest frequency?

Accepted Answer

A)  yellow 
B)  blue 
C)  orange 
D)  green 
E)  purple 
A)  yellow 
B)  blue 
C)  orange 
D)  green 
E)  purple

Question 5

Give the possible values for ml for an s orbital.

Accepted Answer

A)  0 
B)  -1, 0, 1 
C)  0, 1 
D)  1 
A)  0 
B)  -1, 0, 1 
C)  0, 1 
D)  1

Question 6

What is the energy of light associated with a transition from n=3 to n=8 in a hydrogen atom? Does this represent absorption or emission of a photon?

Accepted Answer

A)  2.08 × 10-19 J, absorption 
B)  2.08 × 10-19 J, emission 
C)  4.54 × 10-19 J, absorption 
D)  4.54 × 10-19 J, emission 
E)  6.81 × 10-20 J, absorption 
A)  2.08 × 10-19 J, absorption 
B)  2.08 × 10-19 J, emission 
C)  4.54 × 10-19 J, absorption 
D)  4.54 × 10-19 J, emission 
E)  6.81 × 10-20 J, absorption

Question 7

When waves of equal amplitude from two sources are in phase when they interact,it is called

Accepted Answer

A)  destructive interference. 
B)  diffraction. 
C)  constructive interference. 
D)  effusion. 
E)  amplitude. 
A)  destructive interference. 
B)  diffraction. 
C)  constructive interference. 
D)  effusion. 
E)  amplitude.

Question 8

According to the Heisenberg Uncertainty Principle

Accepted Answer

A)  an electron can never appear in the exact same position twice. 
B)  electrons must always absorb energy when moving to higher quantum levels. 
C)  an electron has a charge of 1.602 × 10-19 C. 
D)  s orbitals are spherical in nature. 
E)  you cannot accurately know both the position and momentum of an electron at the same time. 
A)  an electron can never appear in the exact same position twice. 
B)  electrons must always absorb energy when moving to higher quantum levels. 
C)  an electron has a charge of 1.602 × 10-19 C. 
D)  s orbitals are spherical in nature. 
E)  you cannot accurately know both the position and momentum of an electron at the same time.

Question 9

On the electromagnetic spectrum,visible light is immediately between two other wavelengths.Name them.

Accepted Answer

A)  infrared and x-ray 
B)  radio and microwave 
C)  gamma ray and ultraviolet 
D)  microwave and x-ray 
E)  infrared and ultraviolet 
A)  infrared and x-ray 
B)  radio and microwave 
C)  gamma ray and ultraviolet 
D)  microwave and x-ray 
E)  infrared and ultraviolet

Question 10

How many different values of ml are possible in the 6f sublevel?

Accepted Answer

A)  1 
B)  7 
C)  4 
D)  6 
E)  2 
A)  1 
B)  7 
C)  4 
D)  6 
E)  2

Question 11

What are the possible orbitals for n = 3?

Accepted Answer

A)  s, p, d 
B)  s, p, d, f 
C)  s 
D)  s, p 
A)  s, p, d 
B)  s, p, d, f 
C)  s 
D)  s, p

Question 12

Which of the following occur as the energy of a photon increases?

Accepted Answer

A)  The frequency decreases. 
B)  The speed increases. 
C)  The wavelength increases 
D)  The wavelength gets shorter. 
E)  None of the above occur as the energy of a photon increases. 
A)  The frequency decreases. 
B)  The speed increases. 
C)  The wavelength increases 
D)  The wavelength gets shorter. 
E)  None of the above occur as the energy of a photon increases.

Question 13

What are the possible values of n and ml for an electron in a 5 p orbital?

Accepted Answer

A)  n = 1, 2, 3, 4, or 5 and ml = 1 
B)  n = 1, 2, 3, 4, or 5 and ml = -2, -1, 0, +1, or +2 
C)  n = 5 and ml = 1 
D)  n = 5 and ml = -1, 0, +1 
A)  n = 1, 2, 3, 4, or 5 and ml = 1 
B)  n = 1, 2, 3, 4, or 5 and ml = -2, -1, 0, +1, or +2 
C)  n = 5 and ml = 1 
D)  n = 5 and ml = -1, 0, +1

Question 14

Determine the energy change associated with the transition from   in the hydrogen atom.

Accepted Answer

A)  +3.03 × 10-19 J 
B)  -1.82 × 10-19 J 
C)  +5.51 × 10-19 J 
D)  -3.03 × 10-19 J 
E)  +2.69 × 10-19 J 
A)  +3.03 × 10-19 J 
B)  -1.82 × 10-19 J 
C)  +5.51 × 10-19 J 
D)  -3.03 × 10-19 J 
E)  +2.69 × 10-19 J

Question 15

In which orbital would an electron (on average)be closest to the nucleus?

Accepted Answer

A)  3p 
B)  6f 
C)  3s 
D)  3d 
E)  6d 
A)  3p 
B)  6f 
C)  3s 
D)  3d 
E)  6d

Question 16

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal,if the binding energy of titanium is 3.14 × 103 kJ/mol.

Accepted Answer

A)  7.87 × 1015 Hz 
B)  4.74 × 1015 Hz 
C)  2.11 × 1015 Hz 
D)  1.27 × 1015 Hz 
E)  6.19 × 1015 Hz 
A)  7.87 × 1015 Hz 
B)  4.74 × 1015 Hz 
C)  2.11 × 1015 Hz 
D)  1.27 × 1015 Hz 
E)  6.19 × 1015 Hz

Question 17

Calculate the energy of the green light emitted,per photon,by a mercury lamp with a frequency of 5.49 × 1014 Hz.

Accepted Answer

A)  2.75 × 10-19 J 
B)  3.64 × 10-19 J 
C)  5.46 × 10-19 J 
D)  1.83 × 10-19 J 
E)  4.68 × 10-19 J 
A)  2.75 × 10-19 J 
B)  3.64 × 10-19 J 
C)  5.46 × 10-19 J 
D)  1.83 × 10-19 J 
E)  4.68 × 10-19 J

Question 18

How much energy (in kJ)do 3.0 moles of photons,all with a wavelength of 675 nm,contain?

Accepted Answer

A)  177 kJ 
B)  354 kJ 
C)  418 kJ 
D)  532 kJ 
E)  238 kJ 
A)  177 kJ 
B)  354 kJ 
C)  418 kJ 
D)  532 kJ 
E)  238 kJ

Question 19

Food can be cooked by ________ radiation.

Accepted Answer

A)  ultraviolet 
B)  gamma 
C)  microwave 
D)  x-ray 
E)  radio 
A)  ultraviolet 
B)  gamma 
C)  microwave 
D)  x-ray 
E)  radio

Question 20

Calculate the energy change associated with the transition from   in the hydrogen atom.

Accepted Answer

A)  +4.89 × 10-18 J 
B)  +1.64 × 10-18 J 
C)  -6.12 × 10-18 J 
D)  +3.55 × 10-18 J 
E)  -2.04 × 10-18 J 
A)  +4.89 × 10-18 J 
B)  +1.64 × 10-18 J 
C)  -6.12 × 10-18 J 
D)  +3.55 × 10-18 J 
E)  -2.04 × 10-18 J

Exam 3: The Quantum Mechanical Model of the Atom

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Identify the correct values for a 2p sublevel.

Identify the correct values for a 1s sublevel.

Which of the following types of electromagnetic radiation has the lowest frequency?

Give the possible values for ml for an s orbital.

What is the energy of light associated with a transition from n=3 to n=8 in a hydrogen atom? Does this represent absorption or emission of a photon?

When waves of equal amplitude from two sources are in phase when they interact,it is called

According to the Heisenberg Uncertainty Principle

On the electromagnetic spectrum,visible light is immediately between two other wavelengths.Name them.

How many different values of ml are possible in the 6f sublevel?

What are the possible orbitals for n = 3?

Which of the following occur as the energy of a photon increases?

What are the possible values of n and ml for an electron in a 5 p orbital?

Determine the energy change associated with the transition from in the hydrogen atom.

In which orbital would an electron (on average)be closest to the nucleus?

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal,if the binding energy of titanium is 3.14 × 103 kJ/mol.

Calculate the energy of the green light emitted,per photon,by a mercury lamp with a frequency of 5.49 × 1014 Hz.

How much energy (in kJ)do 3.0 moles of photons,all with a wavelength of 675 nm,contain?

Food can be cooked by ________ radiation.

Calculate the energy change associated with the transition from in the hydrogen atom.

Essentials: Units, Measurements, and Problem Solving

Atoms

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Give the possible values for m_l for an s orbital.

How many different values of m_l are possible in the 6f sublevel?

What are the possible values of n and m_l for an electron in a 5 p orbital?

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal,if the binding energy of titanium is 3.14 × 10³ kJ/mol.

Calculate the energy of the green light emitted,per photon,by a mercury lamp with a frequency of 5.49 × 10¹⁴ Hz.