Question 1

Which one of the following sets of quantum numbers is not possible?

Accepted Answer

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

Question 2

Each shell (principal energy level)of quantum number n contains n subshells.

Accepted Answer

A) True 
 B)False

Question 3

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

Question 4

Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

Accepted Answer

radio waves < microw...

Question 5

Lanthanide (or rare earth elements) have atoms or ions with partially filled

Accepted Answer

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

Question 6

What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s?

Accepted Answer

6.63 * 10<...

Question 7

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 102 nm?

Accepted Answer

A)  256 kJ
B)  1.71 * 105 J
C)  4.72 * 10-43 J
D)  12.4 kJ
E)  2.12 * 1042 JF) B) and E)
G) A) and E)

Question 8

The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200. nm shines on a copper plate?

Accepted Answer

A)  1.48 * 106 m/s
B)  6.22 * 105 m/s
C)  4.67 * 104 m/s
D)  1.97 * 104 m/s
E)  1.34 * 106 m/sF) A) and B)
G) None of the above

Question 9

The orbital diagram for a ground state carbon atom is

Accepted Answer

A)   
B)   
C)   
D)   E) B) and C)
F) All of the above

Question 10

Which element has the following ground-state electron configuration? [Ar]4s23d104p5

Accepted Answer

A)  aresnic
B)  bromine
C)  iodine
D)  selenium
E)  telleriumF) C) and E)
G) A) and E)

Question 11

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

Accepted Answer

A)  n
B)  n + 1
C)  2n
D)  2n2
E)  n2F) C) and D)
G) A) and E)

Question 12

Which element has the following ground-state electron configuration? [Kr]5s24d105p2

Accepted Answer

A)  Sn
B)  Sb
C)  Pb
D)  Ge
E)  TeF) C) and D)
G) A) and B)

Question 13

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 E)
G) A) and B)

Question 14

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Accepted Answer

A)  1.0 * 10-13 m
B)  1.0 * 10-7 m
C)  1.0 m
D)  1.0 * 10-10 mE) A) and D)
F) A) and C)

Question 15

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.F) C) and D)
G) C) and E)

Question 16

The Bohr model of the hydrogen atom found its greatest support in experimental work on the photoelectric effect.

Accepted Answer

A) True 
 B)False

Question 17

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

Question 18

Which ground-state atom has an electron configuration described by the following orbital diagram?

Accepted Answer

A)  antimony
B)  germanium
C)  indium
D)  lead
E)  tinF) A) and B)
G) All of the above

Question 19

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

Accepted Answer

A)  4
B)  10
C)  12
D)  16
E)  22F) A) and B)
G) A) and C)

Question 20

For all atoms of the same element, the 2s orbital is larger than the 1s orbital.

Accepted Answer

A) True 
 B)False

Exam 7: The Electronic Structure of Atoms

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

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Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

Correct Answerverifiedradio waves < microw...View AnswerShow Answer

Lanthanide (or rare earth elements) have atoms or ions with partially filled

Correct AnswerverifiedShow Answer

Which element has the following ground-state electron configuration? [Kr]5s24d105p2

Correct AnswerverifiedShow Answer

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 102 nm?

Correct AnswerverifiedShow Answer

Which element has the following ground-state electron configuration? [Ar]4s23d104p5

Correct AnswerverifiedShow Answer

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.

Correct AnswerverifiedShow Answer

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

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

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Which ground-state atom has an electron configuration described by the following orbital diagram?

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What is the wavelength of a ball bearing with a mass of 10.0 g, and a velocity of 10.0 cm/s?

Correct Answerverified6.63 * 10<...View AnswerShow Answer

Each shell (principal energy level)of quantum number n contains n subshells.

Correct AnswerverifiedShow Answer

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

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The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200. nm shines on a copper plate?

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For all atoms of the same element, the 2s orbital is larger than the 1s orbital.

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

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The orbital diagram for a ground state carbon atom is

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The Bohr model of the hydrogen atom found its greatest support in experimental work on the photoelectric effect.

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

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Which one of the following sets of quantum numbers is not possible?

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radio waves < microw...
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Which element has the following ground-state electron configuration? [Kr]5s²4d¹⁰5p²

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What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 * 10² nm?

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Which element has the following ground-state electron configuration? [Ar]4s²3d¹⁰4p⁵

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In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 10³ kilometers per second. The mass of an electron is 9.1 * 10^-28 g.

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6.63 * 10<...
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