Question 1

The number of orbitals in a d subshell is

Accepted Answer

A)  1
B)  2
C)  3
D)  5
E)  7F) A) and B)
G) All of the above

Question 2

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 3

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/sF) None of the above
G) A) and B)

Question 4

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, diamagneticF) All of the above
G) A) and D)

Question 5

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

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. F) C) and D)
G) B) and D)

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 /sF) B) and C)
G) D) and E)

Question 7

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 kJF) A) and B)
G) D) and E)

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)  1s22s22p3F) All of the above
G) A) and E)

Question 9

Write the ground state electron configuration for the phosphorus atom.

Accepted Answer

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

Question 10

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)  36F) B) and D)
G) C) and D)

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.F) A) and B)
G) A) and C)

Question 12

Write the ground state electron configuration for Ni.

Accepted Answer

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

Question 13

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 14

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 JF) B) and C)
G) All of the above

Question 15

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...

Exam 7: The Electronic Structure of Atoms

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

Correct Answer
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Write the ground state electron configuration for the phosphorus atom.

Correct Answer
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The number of orbitals in a d subshell is

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

Correct Answer
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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

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

Correct Answer
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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)

Correct Answer
verified

Correct Answer
verified

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)

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

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

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

Correct Answer
verified

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

Correct Answer
verified

Write the ground state electron configuration for Ni.

Correct Answer
verified

Exam 7: The Electronic Structure of Atoms

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

Correct AnswerverifiedShow Answer

Write the ground state electron configuration for the phosphorus atom.

Correct AnswerverifiedShow Answer

The number of orbitals in a d subshell is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Write the ground state electron configuration for Ni.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

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)

Correct Answer
verified

Correct Answer
verified

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)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
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