Question 1

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

Question 2

What is the ground-state electron configuration for chlorine?

Accepted Answer

1s²2s²2p⁶3s²3p

Question 3

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 < II < III 
B) II < III < I 
C) III < II < I 
D) I < III < II 
E) III < I < II 
A) I < II < III 
B) II < III < I 
C) III < II < I 
D) I < III < II 
E) III < I < II

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

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 6

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

Question 7

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. 
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.

Question 8

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 9

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) 1 
A) 18 
B) 10 
C) 5 
D) 2 
E) 1

Question 10

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) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 11

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]4s03d10 
A) [Ar]4s23d9 
B) [Ar]4s13d10 
C) [Ar]4s13d8 
D) [Ar]4s23d8 
E) [Ar]4s03d10

Question 12

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]5s24d105p1 
A) [Kr]5s24p64d5 
B) [Ar]4s23d104p1 
C) [Ar]4s24p63d5 
D) [Kr]5s25p64d5 
E) [Kr]5s24d105p1

Question 13

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 J 
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 J

Question 14

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 = +1/2 
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 = +1/2

Question 15

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 16

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 = +1/2 
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 = +1/2

Question 17

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 18

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 19

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 20

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) 10 
A) 0 
B) 1 
C) 2 
D) 6 
E) 10

Exam 7: Quantum Theory and the Electronic Structure of Atoms

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

What is the ground-state electron configuration for chlorine?

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

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

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)

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

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

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

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

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

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

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

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)

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

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)

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

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

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

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

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

Chemistry: the Study of Change

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Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

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Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

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Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

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

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

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)

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)

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)

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

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

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