Question 1

How much energy (in kJ)do 3.0 moles of photons,all with a wavelength of 665 nm,contain?

Accepted Answer

A) 160 kJ 
B) 360 kJ 
C) 406 kJ 
D) 540 kJ 
E) 246 kJ 
A) 160 kJ 
B) 360 kJ 
C) 406 kJ 
D) 540 kJ 
E) 246 kJ

Question 2

It is possible to determine the ionization energy for hydrogen using the Bohr equation.Calculate the ionization energy for an atom of hydrogen,making the assumption that ionization is the transition from
N = 1 to n = ∞.

Accepted Answer

A) -2.18 × 10-18 J 
B) +2.18 × 10-18 J 
C) +4.59 × 10-18 J 
D) -4.59 × 10-18 J 
E) +4.36 × 10-18 J 
A) -2.18 × 10-18 J 
B) +2.18 × 10-18 J 
C) +4.59 × 10-18 J 
D) -4.59 × 10-18 J 
E) +4.36 × 10-18 J

Question 3

Place the following types of electromagnetic radiation in order of decreasing energy.
Ultraviolet light radio waves microwaves

Accepted Answer

A) radio waves > microwaves > ultraviolet light 
B) ultraviolet light > microwaves > radio waves 
C) radio waves > ultraviolet light > microwaves 
D) ultraviolet light > radio waves > microwaves 
E) microwaves > radio waves > ultraviolet light 
A) radio waves > microwaves > ultraviolet light 
B) ultraviolet light > microwaves > radio waves 
C) radio waves > ultraviolet light > microwaves 
D) ultraviolet light > radio waves > microwaves 
E) microwaves > radio waves > ultraviolet light

Question 4

If two electrons in the same atom have the same value of "l",they are

Accepted Answer

A) in the same sublevel,but not necessarily in the same level. 
B) in the same level,but different sublevel. 
C) in the same orbital. 
D) in different levels and in different shaped orbitals. 
E) None of the above 
A) in the same sublevel,but not necessarily in the same level. 
B) in the same level,but different sublevel. 
C) in the same orbital. 
D) in different levels and in different shaped orbitals. 
E) None of the above

Question 5

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m/s.

Accepted Answer

A) 7.60 × 10-36 m 
B) 1.32 × 10-34 m 
C) 2.15 × 10-32 m 
D) 2.68 × 10-34 m 
E) 3.57 × 10-32 m 
A) 7.60 × 10-36 m 
B) 1.32 × 10-34 m 
C) 2.15 × 10-32 m 
D) 2.68 × 10-34 m 
E) 3.57 × 10-32 m

Question 6

Give all possible orbitals for n = 4.

Accepted Answer

A) 1s 
B) 2s,2p 
C) 3s,3p,3d 
D) 4s,4p,4d,4f 
A) 1s 
B) 2s,2p 
C) 3s,3p,3d 
D) 4s,4p,4d,4f

Question 7

Which of the following statements are true?

Accepted Answer

A) We can sometimes know the exact location and speed of an electron at the same time. 
B) All orbitals in a given atom are roughly the same size. 
C) Since electrons have mass,we must always consider them to have particle properties and never wavelike properties. 
D) Atoms are roughly spherical because when all of the different shaped orbitals are overlapped,they take on a spherical shape. 
E) All of the above are true. 
A) We can sometimes know the exact location and speed of an electron at the same time. 
B) All orbitals in a given atom are roughly the same size. 
C) Since electrons have mass,we must always consider them to have particle properties and never wavelike properties. 
D) Atoms are roughly spherical because when all of the different shaped orbitals are overlapped,they take on a spherical shape. 
E) All of the above are true.

Question 8

Calculate the wavelength of light associated with the transition from n = 1 to n = 3 in the hydrogen atom.

Accepted Answer

A) 103 nm 
B) 155 nm 
C) 646 nm 
D) 971 nm 
E) 136 nm 
A) 103 nm 
B) 155 nm 
C) 646 nm 
D) 971 nm 
E) 136 nm

Question 9

Why don't we observe the wavelength of everyday macroscopic objects?

Accepted Answer

Due to the large mass of macro

Question 10

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz.The wavelength of this radiation is ________ m.

Accepted Answer

A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353 
A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353

Question 11

Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.

Accepted Answer

A) 2.19 × 1014 s-1 
B) 5.59 × 1014 s-1 
C) 4.57 × 1014 s-1 
D) 1.79 × 1014 s-1 
E) 3.28 × 1014 s-1 
A) 2.19 × 1014 s-1 
B) 5.59 × 1014 s-1 
C) 4.57 × 1014 s-1 
D) 1.79 × 1014 s-1 
E) 3.28 × 1014 s-1

Question 12

Match the following.
-n = 6 to n = 5

Accepted Answer

A) 103 nm 
B) 657 nm 
C) 7460 nm 
D) 122 nm 
E) 1280 nm 
A) 103 nm 
B) 657 nm 
C) 7460 nm 
D) 122 nm 
E) 1280 nm

Question 13

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m/s is ________ m.The mass of the electron is 9.11 × 10-28 g.

Accepted Answer

A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10 
A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10

Question 14

Which of the following experiments established that light is also a particle?

Accepted Answer

A) diffraction 
B) spectrum of visible light 
C) line spectrum of hydrogen 
D) photoelectric effect 
A) diffraction 
B) spectrum of visible light 
C) line spectrum of hydrogen 
D) photoelectric effect

Question 15

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Accepted Answer

A) 2s → 3p 
B) 2p → 6d 
C) 6p → 4s 
D) 7f → 5d 
A) 2s → 3p 
B) 2p → 6d 
C) 6p → 4s 
D) 7f → 5d

Question 16

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye.The frequency of this light is ________ s-1.

Accepted Answer

A) 5.71 × 1014 
B) 5.71 × 105 
C) 1.58 × 102 
D) 1.58 × 1011 
E) 1.75 × 10-15 
A) 5.71 × 1014 
B) 5.71 × 105 
C) 1.58 × 102 
D) 1.58 × 1011 
E) 1.75 × 10-15

Question 17

How many different values of ml are possible in the 3d sublevel?

Accepted Answer

A) 2 
B) 1 
C) 3 
D) 5 
E) 7 
A) 2 
B) 1 
C) 3 
D) 5 
E) 7

Question 18

Which of the following quantum numbers describes the shape of an orbital?

Accepted Answer

A) principal quantum number 
B) magnetic quantum number 
C) spin quantum number 
D) Schrödinger quantum number 
E) angular momentum quantum number 
A) principal quantum number 
B) magnetic quantum number 
C) spin quantum number 
D) Schrödinger quantum number 
E) angular momentum quantum number

Question 19

Which of the following occurs 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 occurs 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 occurs as the energy of a photon increases.

Question 20

Which of the following visible colors of light 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

How much energy (in kJ)do 3.0 moles of photons,all with a wavelength of 665 nm,contain?

It is possible to determine the ionization energy for hydrogen using the Bohr equation.Calculate the ionization energy for an atom of hydrogen,making the assumption that ionization is the transition from N = 1 to n = ∞.

Place the following types of electromagnetic radiation in order of decreasing energy. Ultraviolet light radio waves microwaves

If two electrons in the same atom have the same value of "l",they are

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m/s.

Give all possible orbitals for n = 4.

Which of the following statements are true?

Calculate the wavelength of light associated with the transition from n = 1 to n = 3 in the hydrogen atom.

Why don't we observe the wavelength of everyday macroscopic objects?

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz.The wavelength of this radiation is ________ m.

Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.

Match the following. -n = 6 to n = 5

The de Broglie wavelength of an electron with a velocity of 6.00 × 10⁶ m/s is ________ m.The mass of the electron is 9.11 × 10^-28 g.

Which of the following experiments established that light is also a particle?

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye.The frequency of this light is ________ s^-1.

How many different values of m_l are possible in the 3d sublevel?

Which of the following quantum numbers describes the shape of an orbital?

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

Which of the following visible colors of light has the lowest frequency?

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Exam 7: The Quantum-Mechanical Model of the Atom

How much energy (in kJ)do 3.0 moles of photons,all with a wavelength of 665 nm,contain?

It is possible to determine the ionization energy for hydrogen using the Bohr equation.Calculate the ionization energy for an atom of hydrogen,making the assumption that ionization is the transition from N = 1 to n = ∞.

Place the following types of electromagnetic radiation in order of decreasing energy. Ultraviolet light radio waves microwaves

If two electrons in the same atom have the same value of "l",they are

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m/s.

Give all possible orbitals for n = 4.

Which of the following statements are true?

Calculate the wavelength of light associated with the transition from n = 1 to n = 3 in the hydrogen atom.

Why don't we observe the wavelength of everyday macroscopic objects?

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz.The wavelength of this radiation is ________ m.

Calculate the frequency of light associated with the transition from n = 2 to n = 3 in the hydrogen atom.

Match the following. -n = 6 to n = 5

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m/s is ________ m.The mass of the electron is 9.11 × 10-28 g.

Which of the following experiments established that light is also a particle?

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye.The frequency of this light is ________ s-1.

How many different values of ml are possible in the 3d sublevel?

Which of the following quantum numbers describes the shape of an orbital?

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

Which of the following visible colors of light has the lowest frequency?

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

The de Broglie wavelength of an electron with a velocity of 6.00 × 10⁶ m/s is ________ m.The mass of the electron is 9.11 × 10^-28 g.

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye.The frequency of this light is ________ s^-1.

How many different values of m_l are possible in the 3d sublevel?