Question 1

Which atom has the ground state electronic configuration 1s22s22p63s23p64s23d3?

Accepted Answer

A)   Ga
B)   V
C)   As
D)   Nb
E)   noneF) A) and B)
G) D) and E)

Question 2

Which of the following statements is/are CORRECT?
1) For any element,the second ionization energy is larger than the first ionization energy.
2) Ionization energy is a positive value for all elements.
3) Ionization energy increases down a group of the periodic table.

Accepted Answer

A)   1 only
B)   2 only
C)   3 only
D)   1 and 2
E)   1,2 and 3F) A) and C)
G) C) and D)

Question 3

An atom of which of the following elements has the largest atomic radius?

Accepted Answer

A)   Se
B)   Te
C)   S
D)   Po
E)   OF) All of the above
G) A) and B)

Question 4

Which of the following statements concerning ground state electron configurations is/are CORRECT?
1) For a hydrogen atom with one electron,the 2s and 2p orbitals have identical energies.
2) For a lithium atom with three electrons,the 2s and 2p orbitals have different energies.
3) The effective nuclear charge felt by an electron in a 2p orbital is greater for a carbon atom than for a boron atom.

Accepted Answer

A)   1 only
B)   2 only
C)   3 only
D)   2 and 3
E)   1,2,and 3F) A) and E)
G) A) and B)

Question 5

Which element is found in the p-block of the periodic table?

Accepted Answer

A)   Al
B)   Ni
C)   Tb
D)   Fr
E)   none of the aboveF) A) and D)
G) D) and E)

Question 6

Which of the following orbital diagrams represents a diamagnetic atom?
1s          ~~~~~~~~             ~~~ ~~      2s         ~~~~~~~~          2p

Accepted Answer

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

Question 7

Choose the statement that is   true: 	extbf{      true:   } true:

Accepted Answer

A)   Outer electrons efficiently shield one another from nuclear charge
B)   Core electrons effectively shield outer electrons from nuclear charge
C)   Valence electrons are most difficult of all electrons to remove
D)   Core electrons have the lowest ionization energies of all electrons
E)   Two of the above are true. F) A) and E)
G) A) and D)

Question 8

Which of the following atoms is diamagnetic in its ground state?

Accepted Answer

A)   ytterbium (Yb) 
B)   holmium (Ho) 
C)   tantalum (Ta) 
D)   aluminum (Al) 
E)   germanium (Ge) F) C) and D)
G) A) and B)

Question 9

What 2- ion has the following ground state electron configuration?

Accepted Answer

A)   oxide ion
B)   nitride ion
C)   fluoride ion
D)   sulfide ion
E)   magnesium ionF) C) and E)
G) B) and C)

Question 10

Explain the difference between paramagnetic and ferromagnetic.

Accepted Answer

Elements with unpaired electrons are par...

Question 11

How many valence electrons does a nitrogen atom have?

Accepted Answer

A)   5
B)   8
C)   7
D)   3
E)   15F) B) and C)
G) B) and E)

Question 12

According to the general trend in electron affinities,which group (or family) of elements tend to form the most stable anions in the gas phase?

Accepted Answer

A)   noble gases
B)   halogens
C)   transition metals
D)   alkaline earth metals
E)   alkali metalsF) All of the above
G) D) and E)

Question 13

The procedure by which electrons are assigned to (or built up into) orbitals is known as the ____ principle.

Accepted Answer

A)   Aufbau
B)   Bohr
C)   Planck
D)   Hund
E)   PauliF) A) and E)
G) C) and E)

Question 14

All of the following ground-state electron configurations are correct except

Accepted Answer

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

Question 15

Rank F,Cl,and Br in order of increasing first ionization energy.

Accepted Answer

A)   F 
B)   Cl 
C)   Cl 
D)   Br 
E)   Br < Cl < FF) B) and D)
G) B) and C)

Question 16

For which of the following atoms is the 2+ ion diamagnetic in the ground state?

Accepted Answer

A)   Ni
B)   Fe
C)   Zn
D)   Mn
E)   CuF) D) and E)
G) All of the above

Question 17

The change in energy for the following reaction is referred to as the ____ for boron.B(g) + e-  →	o→ B-(g)

Accepted Answer

A)   oxidation number
B)   electron affinity
C)   electronegativity energy
D)   first ionization energy
E)   second ionization energy F) B) and C)
G) C) and D)

Question 18

An atom of which of the following elements has the most negative electron affinity?

Accepted Answer

A)   Rb
B)   As
C)   Cl
D)   Br
E)   SeF) B) and D)
G) B) and C)

Question 19

Which of the following statements is true concerning the electron configuration [Ar]4p2?

Accepted Answer

A)   This configuration cannot be the ground-state electron configuration for a Ca atom because it violates the Pauli exclusion principle.
B)   This configuration cannot be the ground-state electron configuration for a Ca atom because it violates Hund's rule.
C)   This configuration is the ground-state electron configuration for a Ca atom.
D)   This configuration cannot be the ground-state electron configuration for a Ca atom because it violates the Heisenberg uncertainty principle.
E)   This configuration cannot be the ground-state electron configuration for a Ca atom because it violates the Aufbau principle.F) C) and D)
G) B) and D)

Question 20

Which of the following cations has the same number of unpaired electrons as Fe2+?

Accepted Answer

A)   Ni2+
B)   Fe3+
C)   Cr2+
D)   Mn2+
E)   Co2+F) A) and D)
G) A) and C)

Exam 8: The Structure of Atoms and Periodic Trends

Which of the following orbital diagrams represents a diamagnetic atom? 1s $~~~~~~$ $~ $ 2s $~~~~~~$ 2p

Correct Answer
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Which element is found in the p-block of the periodic table?

Correct Answer
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Which of the following cations has the same number of unpaired electrons as Fe²⁺?

Correct Answer
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Explain the difference between paramagnetic and ferromagnetic.

Correct Answer
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Elements with unpaired electrons are par...
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Which atom has the ground state electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d³?

Correct Answer
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Choose the statement that is $\textbf{ true: }$

Correct Answer
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Rank F,Cl,and Br in order of increasing first ionization energy.

Correct Answer
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Which of the following statements is/are CORRECT? 1) For any element,the second ionization energy is larger than the first ionization energy. 2) Ionization energy is a positive value for all elements. 3) Ionization energy increases down a group of the periodic table.

Correct Answer
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The change in energy for the following reaction is referred to as the ____ for boron.B(g) + e^- $\to$ B^-(g)

Correct Answer
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According to the general trend in electron affinities,which group (or family) of elements tend to form the most stable anions in the gas phase?

Correct Answer
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The procedure by which electrons are assigned to (or built up into) orbitals is known as the ____ principle.

Correct Answer
verified

Correct Answer
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All of the following ground-state electron configurations are correct except

Correct Answer
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Which of the following statements is true concerning the electron configuration [Ar]4p²?

Correct Answer
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What 2- ion has the following ground state electron configuration?

Correct Answer
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An atom of which of the following elements has the largest atomic radius?

Correct Answer
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For which of the following atoms is the 2+ ion diamagnetic in the ground state?

Correct Answer
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Which of the following atoms is diamagnetic in its ground state?

Correct Answer
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An atom of which of the following elements has the most negative electron affinity?

Correct Answer
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How many valence electrons does a nitrogen atom have?

Correct Answer
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Exam 8: The Structure of Atoms and Periodic Trends

Which of the following orbital diagrams represents a diamagnetic atom? 1s ~~~~~~~~ ~~~ ~~ 2s ~~~~~~~~ 2p

Correct AnswerverifiedShow Answer

Which element is found in the p-block of the periodic table?

Correct AnswerverifiedShow Answer

Which of the following cations has the same number of unpaired electrons as Fe2+?

Correct AnswerverifiedShow Answer

Explain the difference between paramagnetic and ferromagnetic.

Correct AnswerverifiedElements with unpaired electrons are par...View AnswerShow Answer

Which atom has the ground state electronic configuration 1s22s22p63s23p64s23d3?

Correct AnswerverifiedShow Answer

Choose the statement that is true: \textbf{ true: } true:

Correct AnswerverifiedShow Answer

Rank F,Cl,and Br in order of increasing first ionization energy.

Correct AnswerverifiedShow Answer

Which of the following statements is/are CORRECT? 1) For any element,the second ionization energy is larger than the first ionization energy. 2) Ionization energy is a positive value for all elements. 3) Ionization energy increases down a group of the periodic table.

Correct AnswerverifiedShow Answer

The change in energy for the following reaction is referred to as the ____ for boron.B(g) + e- →\to→ B-(g)

Correct AnswerverifiedShow Answer

According to the general trend in electron affinities,which group (or family) of elements tend to form the most stable anions in the gas phase?

Correct AnswerverifiedShow Answer

The procedure by which electrons are assigned to (or built up into) orbitals is known as the ____ principle.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

All of the following ground-state electron configurations are correct except

Correct AnswerverifiedShow Answer

Which of the following statements is true concerning the electron configuration [Ar]4p2?

Correct AnswerverifiedShow Answer

What 2- ion has the following ground state electron configuration?

Correct AnswerverifiedShow Answer

An atom of which of the following elements has the largest atomic radius?

Correct AnswerverifiedShow Answer

For which of the following atoms is the 2+ ion diamagnetic in the ground state?

Correct AnswerverifiedShow Answer

Which of the following atoms is diamagnetic in its ground state?

Correct AnswerverifiedShow Answer

An atom of which of the following elements has the most negative electron affinity?

Correct AnswerverifiedShow Answer

How many valence electrons does a nitrogen atom have?

Correct AnswerverifiedShow Answer

Which of the following orbital diagrams represents a diamagnetic atom? 1s $~~~~~~$ $~ $ 2s $~~~~~~$ 2p

Correct Answer
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Correct Answer
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Which of the following cations has the same number of unpaired electrons as Fe²⁺?

Correct Answer
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Correct Answer
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Elements with unpaired electrons are par...
View Answer

Which atom has the ground state electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d³?

Correct Answer
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Choose the statement that is $\textbf{ true: }$

Correct Answer
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Correct Answer
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Correct Answer
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The change in energy for the following reaction is referred to as the ____ for boron.B(g) + e^- $\to$ B^-(g)

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which of the following statements is true concerning the electron configuration [Ar]4p²?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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