Question 1

The number of orbitals in a d subshell is

Accepted Answer

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

Question 2

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m? (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

Accepted Answer

A) 2.70 * 10-43 J 
B) 5.43 * 10-33 J 
C) 1.63 * 10-24 J 
D) 4.07 * 10-10 J 
E) 2.46 * 109 J 
A) 2.70 * 10-43 J 
B) 5.43 * 10-33 J 
C) 1.63 * 10-24 J 
D) 4.07 * 10-10 J 
E) 2.46 * 109 J

Question 3

The scattering of helium atoms by a solid can be used to gain information about the lattice of atoms, provided the wavelength of the helium atoms is comparable to the dimensions of the lattice. What is the wavelength, in picometers, of a helium-4 atom with a kinetic energy of 0.10 eV? (mass of 4He = 4.0026 amu; 1 amu = 1.67 * 10-24 g; 1 eV = 1.602 * 10-19 J; h = 6.626 * 10-34 J.s)

Accepted Answer

The answer of The scattering of helium atoms by a...

Question 4

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Accepted Answer

The answer of An FM radio station broadcasts at a...

Question 5

How many electrons in a ground-state cadmium atom are in orbitals labeled by ml = -1?

Accepted Answer

A) 2 
B) 10 
C) 12 
D) 18 
E) 36 
A) 2 
B) 10 
C) 12 
D) 18 
E) 36

Question 6

Calculate the frequency of visible light having a wavelength of 486 nm.

Accepted Answer

A) 2.06 * 1014 /s 
B) 2.06 * 106 /s 
C) 6.17 * 1014 /s 
D) 1.20 * 10-15 /s 
E) 4.86 * 10-7 /s 
A) 2.06 * 1014 /s 
B) 2.06 * 106 /s 
C) 6.17 * 1014 /s 
D) 1.20 * 10-15 /s 
E) 4.86 * 10-7 /s

Question 7

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

Accepted Answer

A) 7.10 * 103 m/s. 
B) 2.93* 106 m/s. 
C) 2.93 * 103 m/s. 
D) 7.10 m/s. 
E) 3.00 * 108 m/s. 
A) 7.10 * 103 m/s. 
B) 2.93* 106 m/s. 
C) 2.93 * 103 m/s. 
D) 7.10 m/s. 
E) 3.00 * 108 m/s.

Question 8

Which of the following is the electron configuration of an excited state of an oxygen atom?

Accepted Answer

A) 1s22s22p4 
B) 1s22s22p5 
C) 1s22s22p33s1 
D) 1s22s22p6 
E) 1s22s22p3 
A) 1s22s22p4 
B) 1s22s22p5 
C) 1s22s22p33s1 
D) 1s22s22p6 
E) 1s22s22p3

Question 9

A ground-state atom of vanadium has ___ unpaired electrons and is _____.

Accepted Answer

A) 0, diamagnetic 
B) 2, diamagnetic 
C) 3, paramagnetic 
D) 5, paramagnetic 
E) 4, diamagnetic 
A) 0, diamagnetic 
B) 2, diamagnetic 
C) 3, paramagnetic 
D) 5, paramagnetic 
E) 4, diamagnetic

Question 10

Write the ground state electron configuration for Ni.

Accepted Answer

The answer of Write the ground state electron configuration for...

Question 11

A proton is roughly 1800 times more massive than an electron. If a proton and an electron are traveling at the same speed,

Accepted Answer

A) the wavelength of the photon will be about 1800 times longer than the wavelength of the electron. 
B) the wavelength of the photon will be about   times longer than the wavelength of the electron. 
C) the wavelength of the photon will be roughly equal to the wavelength of the electron. 
D) the wavelength of the electron will be about   times longer than the wavelength of the photon. 
E) the wavelength of the electron will be about 1800 times longer than the wavelength of the photon. 
A) the wavelength of the photon will be about 1800 times longer than the wavelength of the electron. 
B) the wavelength of the photon will be about   times longer than the wavelength of the electron. 
C) the wavelength of the photon will be roughly equal to the wavelength of the electron. 
D) the wavelength of the electron will be about   times longer than the wavelength of the photon. 
E) the wavelength of the electron will be about 1800 times longer than the wavelength of the photon.

Question 12

Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms. Which of the following electron velocities would be appropriate for use in this application if the atoms are separated by 0.320 nm?

Accepted Answer

A) 2.27 * 106 m/s 
B) 1.24 * 103 m/s 
C) 3.00 * 108 m/s 
D) 4.41 * 106 m/s 
E) 8.06 * 103 m/s 
A) 2.27 * 106 m/s 
B) 1.24 * 103 m/s 
C) 3.00 * 108 m/s 
D) 4.41 * 106 m/s 
E) 8.06 * 103 m/s

Question 13

Write the ground state electron configuration for the phosphorus atom.

Accepted Answer

The answer of Write the ground state electron configuration for...

Question 14

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, _______ has the most energy.

Accepted Answer

The answer of The colors of the visible spectrum are...

Question 15

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Accepted Answer

A) 6.46 * 10-16 J 
B) 6.46 * 10-25 J 
C) 2.46 * 10-4 J 
D) 12.4 kJ 
E) 246 kJ 
A) 6.46 * 10-16 J 
B) 6.46 * 10-25 J 
C) 2.46 * 10-4 J 
D) 12.4 kJ 
E) 246 kJ

The number of orbitals in a d subshell is

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m? (c = 2.9979 * 10⁸ m/s; h = 6.626 * 10^-34 J.s)

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

How many electrons in a ground-state cadmium atom are in orbitals labeled by m_l= -1?

Calculate the frequency of visible light having a wavelength of 486 nm.

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

Which of the following is the electron configuration of an excited state of an oxygen atom?

A ground-state atom of vanadium has _ unpaired electrons and is ___.

Write the ground state electron configuration for Ni.

A proton is roughly 1800 times more massive than an electron. If a proton and an electron are traveling at the same speed,

Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms. Which of the following electron velocities would be appropriate for use in this application if the atoms are separated by 0.320 nm?

Write the ground state electron configuration for the phosphorus atom.

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, _______ has the most energy.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

Exam 7: The Electronic Structure of Atoms

The number of orbitals in a d subshell is

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m? (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

How many electrons in a ground-state cadmium atom are in orbitals labeled by ml = -1?

Calculate the frequency of visible light having a wavelength of 486 nm.

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength λ\lambdaλ is emitted. An electron having this same wavelength would have a velocity of

Which of the following is the electron configuration of an excited state of an oxygen atom?

A ground-state atom of vanadium has ___ unpaired electrons and is _____.

Write the ground state electron configuration for Ni.

A proton is roughly 1800 times more massive than an electron. If a proton and an electron are traveling at the same speed,

Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms. Which of the following electron velocities would be appropriate for use in this application if the atoms are separated by 0.320 nm?

Write the ground state electron configuration for the phosphorus atom.

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, _______ has the most energy.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m? (c = 2.9979 * 10⁸ m/s; h = 6.626 * 10^-34 J.s)

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

How many electrons in a ground-state cadmium atom are in orbitals labeled by m_l= -1?

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. An electron having this same wavelength would have a velocity of

A ground-state atom of vanadium has _ unpaired electrons and is ___.