Question 1

Of the following,which has the shortest de Broglie wavelength?

Accepted Answer

A)  an airplane moving at a velocity of 350 mph
B)  a helium nucleus moving at a velocity of 800 mph
C)  a nitrogen molecule moving at a velocity of 900 mph
D)  a nitrogen molecule moving at a velocity of 5000 mph

Question 2

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Accepted Answer

A)  2s → 5p
B)  3p → 5d
C)  4p → 2s
D)  5f → 4d

Question 3

Which have the largest number of unpaired electrons in p orbitals in their ground-state electron configurations?

Accepted Answer

A)  N,As,Bi
B)  F,At,Br
C)  Ne,Ar,Xe
D)  B,Ga,Tl

Question 4

What are the possible values of n and ml for an electron in a 3d orbital?

Accepted Answer

A)  n = 1,2,or 3 and ml = 2
B)  n = 1,2,or 3 and ml = -2,-1,0,+1,or +2
C)  n = 3 and ml = 2
D)  n = 3 and ml = -2,-1,0,+1,or +2

Question 5

The greater the energy of a photon,the

Accepted Answer

A)  longer the wavelength and the higher the frequency.
B)  longer the wavelength and the lower the frequency.
C)  shorter the wavelength and the higher the frequency.
D)  shorter the wavelength and the lower the frequency.

Question 6

How many orbitals are there in the seventh shell?

Accepted Answer

A)  6
B)  7
C)  21
D)  49

Question 7

Arrange the following spectral regions in order of increasing wavelength: infrared,microwave,ultraviolet,visible.

Accepted Answer

A)  microwave 
B)  microwave 
C)  ultraviolet 
D)  ultraviolet < visible < infrared < microwave

Question 8

Atoms of which element,indicated by letter on the periodic table,have the orbital-filling diagram shown below?

Accepted Answer

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

Exam 5: Periodicity and the Electronic Structure of Atoms

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Correct Answer
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The greater the energy of a photon,the

Correct Answer
verified

Which have the largest number of unpaired electrons in p orbitals in their ground-state electron configurations?

Correct Answer
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Of the following,which has the shortest de Broglie wavelength?

Correct Answer
verified

What are the possible values of n and m_l for an electron in a 3d orbital?

Correct Answer
verified

How many orbitals are there in the seventh shell?

Correct Answer
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Atoms of which element,indicated by letter on the periodic table,have the orbital-filling diagram shown below?

Correct Answer
verified

Arrange the following spectral regions in order of increasing wavelength: infrared,microwave,ultraviolet,visible.

Correct Answer
verified

Exam 5: Periodicity and the Electronic Structure of Atoms

For a hydrogen atom,which electronic transition would result in the emission of a photon with the highest energy?

Correct AnswerverifiedShow Answer

The greater the energy of a photon,the

Correct AnswerverifiedShow Answer

Which have the largest number of unpaired electrons in p orbitals in their ground-state electron configurations?

Correct AnswerverifiedShow Answer

Of the following,which has the shortest de Broglie wavelength?

Correct AnswerverifiedShow Answer

What are the possible values of n and ml for an electron in a 3d orbital?

Correct AnswerverifiedShow Answer

How many orbitals are there in the seventh shell?

Correct AnswerverifiedShow Answer

Atoms of which element,indicated by letter on the periodic table,have the orbital-filling diagram shown below?

Correct AnswerverifiedShow Answer

Arrange the following spectral regions in order of increasing wavelength: infrared,microwave,ultraviolet,visible.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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What are the possible values of n and m_l for an electron in a 3d orbital?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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