Question 1

A possible set of quantum numbers to describe an electron in a 4s subshell is

Accepted Answer

A)  n = 4, l = 0, ml = 1 , ms = +1/2
B)  n = 4, l = 0, ml = 0, ms = - 1/2
C)  n = 4, l = 1, ml = 1, ms = +1/2
D)  n = 3, l = 1, ml = 1, ms = - 1/2
E)  n = 3, l = 0, ml = 0, ms = +1/2F) A) and E)
G) None of the above

Question 2

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.Recall that the energy levels of the H atom are given by En = -2.18 × 10-18 J(1/n2)

Accepted Answer

A)  2.07 × 10-29 J
B)  2.25 × 10-18 J
C)  2.04 × 10-18 J
D)  3.27 × 10-17 J
E)  2.19 × 105 JF) D) and E)
G) A) and E)

Question 3

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) None of the above

Question 4

Calculate the energy of a photon of light with a wavelength of 360 nm.

Accepted Answer

The answer of Calculate the energy of a photon of...

Question 5

Electrons in an orbital with l = 3 are in a/an

Accepted Answer

A)  d orbital.
B)  f orbital.
C)  g orbital.
D)  p orbital.
E)  s orbital.F) C) and D)
G) A) and D)

Question 6

An AM radio station broadcasts at a frequency of 1270 kHz.Calculate the wavelength of the broadcast signal in meters.(c = 2.9979 × 108 m/s)

Accepted Answer

Question 7

What is the ground-state electron configuration for chlorine?

Accepted Answer

1s²2s²2p⁶3s²3p...

Question 8

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

Question 9

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge) in its ground state is

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) A) and E)
G) A) and D)

Question 10

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

Accepted Answer

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

Question 11

If a hydrogen atom and a helium atom are traveling at the same speed,

Accepted Answer

A)  the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom.
B)  the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium.
C)  the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom.
D)  the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom.
E)  the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.F) C) and D)
G) C) and E)

Question 12

What is the maximum number of electrons in an atom that can have the following quantum numbers? n = 3 l = 2

Accepted Answer

A)  18
B)  10
C)  5
D)  2
E)  1F) C) and D)
G) B) and E)

Question 13

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

Accepted Answer

A)  [Ar]4s23d9
B)  [Ar]4s13d10
C)  [Ar]4s13d8
D)  [Ar]4s23d8
E)  [Ar]4s03d10F) All of the above
G) B) and C)

Question 14

What is the maximum number of electrons in an atom that can have the following set of quantum numbers? n = 4 l = 3 ml = -2 ms = +1/2

Accepted Answer

A)  0
B)  1
C)  2
D)  6
E)  10F) None of the above
G) B) and C)

Question 15

Which one of the following sets of quantum numbers represents an electron with the highest energy?

Accepted Answer

A)  n = 2, l = 1, ml = 0, ms = +1/2
B)  n = 3, l = 0, ml = 0, ms = -1/2
C)  n = 2, l = 0, ml = 0, ms = +1/2
D)  n = 3, l = 2, ml = 1, ms = -1/2
E)  n = 3, l = 1, ml = 1, ms = +1/2F) B) and D)
G) C) and D)

Question 16

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 × 10-13 J.(mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 × 10-27 kg)

Accepted Answer

Question 17

The ground-state electron configuration for an atom of indium is

Accepted Answer

A)  [Kr]5s24p64d5
B)  [Ar]4s23d104p1
C)  [Ar]4s24p63d5
D)  [Kr]5s25p64d5
E)  [Kr]5s24d105p1F) A) and D)
G) D) and E)

Question 18

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element?

Accepted Answer

The answer of If one electron is added to the...

Question 19

List the following sets of quantum numbers in order of increasing energy: I.n = 4, l = 0, ml = 0, ms = -1/2
II.n = 4, l = 2, ml = -1, ms = -1/2
III.n = 5, l = 0, ml = 0, ms = +1/2

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  I 
E)  III < I < IIF) None of the above
G) C) and E)

Question 20

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

Accepted Answer

A)  0, diamagnetic
B)  2, diamagnetic
C)  3, paramagnetic
D)  5, paramagnetic
E)  7, paramagneticF) A) and B)
G) B) and C)

Exam 7: Quantum Theory and the Electronic Structure of Atoms

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

Correct AnswerverifiedShow Answer

Which one of the following sets of quantum numbers represents an electron with the highest energy?

Correct AnswerverifiedShow Answer

The ground-state electron configuration for an atom of indium is

Correct AnswerverifiedShow Answer

An AM radio station broadcasts at a frequency of 1270 kHz.Calculate the wavelength of the broadcast signal in meters.(c = 2.9979 × 108 m/s)

Correct AnswerverifiedShow Answer

A possible set of quantum numbers to describe an electron in a 4s subshell is

Correct AnswerverifiedShow Answer

What is the maximum number of electrons in an atom that can have the following quantum numbers? n = 3 l = 2

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.Recall that the energy levels of the H atom are given by En = -2.18 × 10-18 J(1/n2)

Correct AnswerverifiedShow Answer

What is the maximum number of electrons in an atom that can have the following set of quantum numbers? n = 4 l = 3 ml = -2 ms = +1/2

Correct AnswerverifiedShow Answer

List the following sets of quantum numbers in order of increasing energy: I.n = 4, l = 0, ml = 0, ms = -1/2 II.n = 4, l = 2, ml = -1, ms = -1/2 III.n = 5, l = 0, ml = 0, ms = +1/2

Correct AnswerverifiedShow Answer

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

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

A possible set of quantum numbers for the last electron added to complete an atom of germanium (Ge) in its ground state is

Correct AnswerverifiedShow Answer

Electrons in an orbital with l = 3 are in a/an

Correct AnswerverifiedShow Answer

If a hydrogen atom and a helium atom are traveling at the same speed,

Correct AnswerverifiedShow Answer

Calculate the energy of a photon of light with a wavelength of 360 nm.

Correct AnswerverifiedShow Answer

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 × 10-13 J.(mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 × 10-27 kg)

Correct AnswerverifiedShow Answer

What is the ground-state electron configuration for chlorine?

Correct Answerverified1s22s22p63s23p...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element?

Correct AnswerverifiedShow Answer

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

An AM radio station broadcasts at a frequency of 1270 kHz.Calculate the wavelength of the broadcast signal in meters.(c = 2.9979 × 10⁸ m/s)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.Recall that the energy levels of the H atom are given by E_n = -2.18 × 10^-18 J(1/n²)

Correct Answer
verified

What is the maximum number of electrons in an atom that can have the following set of quantum numbers? n = 4 l = 3 m_l = -2 m_s = +1/2

Correct Answer
verified

List the following sets of quantum numbers in order of increasing energy: I.n = 4, l = 0, m_l = 0, m_s = -1/2 II.n = 4, l = 2, m_l = -1, m_s = -1/2 III.n = 5, l = 0, m_l = 0, m_s = +1/2

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 × 10^-13 J.(mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 × 10^-27 kg)

Correct Answer
verified

Correct Answer
verified
1s²2s²2p⁶3s²3p...
View Answer

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

Correct Answer
verified

Correct Answer
verified