Question 1

Which of the following is not a metal?

Accepted Answer

A) Ba. 
B) Br. 
C) Ga. 
D) Al. 
E) Hg. 
A) Ba. 
B) Br. 
C) Ga. 
D) Al. 
E) Hg.

Question 2

What is the only secondary quantum number associated with the 4s orbital?

Accepted Answer

A) l = 0 
B) l = 1 
C) l = 2 
D) l = 3 
E) l = 4 
A) l = 0 
B) l = 1 
C) l = 2 
D) l = 3 
E) l = 4

Question 3

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Accepted Answer

A) Tl 
B) Hg 
C) Zn 
D) Se 
E) Cd 
A) Tl 
B) Hg 
C) Zn 
D) Se 
E) Cd

Question 4

Write the ground-state electron configuration of a samarium atom.

Accepted Answer

A) [Xe]4f75d1  
B) [Xe]5d8  
C) [Xe]4f76s1  
D) [Xe]4f8  
E) [Xe]4f66s2  
A) [Xe]4f75d1  
B) [Xe]5d8  
C) [Xe]4f76s1  
D) [Xe]4f8  
E) [Xe]4f66s2

Question 5

Which of the following elements has the least metal character?

Accepted Answer

A) In 
B) Ge 
C) Te 
D) I 
E) Tl 
A) In 
B) Ge 
C) Te 
D) I 
E) Tl

Question 6

Write the ground-state electron configuration of In+.

Accepted Answer

A) [Kr]4d75s25p3  
B) [Kr]4d85s15p3  
C) [Kr]4d55s15p6  
D) [Kr]4d105s2  
E) [Kr]4d105s15p1  
A) [Kr]4d75s25p3  
B) [Kr]4d85s15p3  
C) [Kr]4d55s15p6  
D) [Kr]4d105s2  
E) [Kr]4d105s15p1

Question 7

Which of the following statements is true?

Accepted Answer

A) The s orbital is spherical. 
B) The s orbital has no nodal planes. 
C) The s orbital is symmetrical. 
D) The s orbital is associated with the l quantum number 0. 
E) All of the above. 
A) The s orbital is spherical. 
B) The s orbital has no nodal planes. 
C) The s orbital is symmetrical. 
D) The s orbital is associated with the l quantum number 0. 
E) All of the above.

Question 8

Which of the following has the largest effective nuclear charge?

Accepted Answer

A) F 
B) Na 
C) Li 
D) He 
E) N 
A) F 
B) Na 
C) Li 
D) He 
E) N

Question 9

Write the ground-state electron configuration of Sb3+.

Accepted Answer

A) [Kr]4d85s15p3  
B) [Kr]4d55s15p6  
C) [Kr]4d105p2  
D) [Kr]4d105s15p1  
E) [Kr]4d105s2  
A) [Kr]4d85s15p3  
B) [Kr]4d55s15p6  
C) [Kr]4d105p2  
D) [Kr]4d105s15p1  
E) [Kr]4d105s2

Question 10

Which set of quantum numbers corresponds to the electrons in He?

Accepted Answer

A) n = 1, l = 0, ml = 1 
B) n = 1, l = 0, ml = 0 
C) n = 1, l = 1, ml = F1F1F1S1F1F1F100 
D) n = 1, l = 0, ml = -1 
E) n = 1, l = 2, ml = 0 
A) n = 1, l = 0, ml = 1 
B) n = 1, l = 0, ml = 0 
C) n = 1, l = 1, ml = F1F1F1S1F1F1F100 
D) n = 1, l = 0, ml = -1 
E) n = 1, l = 2, ml = 0

Question 11

Which of the following has similar properties to Al?

Accepted Answer

A) Li 
B) Be 
C) Si 
D) Ga 
E) Mg 
A) Li 
B) Be 
C) Si 
D) Ga 
E) Mg

Question 12

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4,l = 2,ml = 1.The electron is located in what type of orbital?

Accepted Answer

A) 4p 
B) 3p 
C) 4s 
D) 4d 
E) 3d 
A) 4p 
B) 3p 
C) 4s 
D) 4d 
E) 3d

Question 13

How many unpaired electrons are in a chromium trivalent ion?

Accepted Answer

A) 0 
B) 5 
C) 6 
D) 4 
E) 3 
A) 0 
B) 5 
C) 6 
D) 4 
E) 3

Question 14

What is the ground-state electron configuration of Nb?

Accepted Answer

A) [Kr]4d45s1  
B) [Kr]4d55s2  
C) [Kr]5d34s2  
D) [Kr]5d35s2  
E) [Kr]4d35s2  
A) [Kr]4d45s1  
B) [Kr]4d55s2  
C) [Kr]5d34s2  
D) [Kr]5d35s2  
E) [Kr]4d35s2

Question 15

The total number of orbitals in a shell with principal quantum number 5 is

Accepted Answer

A) 32. 
B) 50. 
C) 25. 
D) 40. 
E) 5. 
A) 32. 
B) 50. 
C) 25. 
D) 40. 
E) 5.

Question 16

Consider the following ground-state electronic configurations.Which atom has both the highest first ionization energy and the highest electron affinity?

Accepted Answer

A) [Ne] 3s23p5 
B) [Ne] 3s23p3 
C) [Ne] 3s23p1 
D) [Ne] 3s23p4 
A) [Ne] 3s23p5 
B) [Ne] 3s23p3 
C) [Ne] 3s23p1 
D) [Ne] 3s23p4

Question 17

Which set of quantum numbers could correspond to a 4f-orbital?

Accepted Answer

A) n = 4, l = 4, ml = +3 
B) n = 4, l = 3, ml = +4 
C) n = 4, l = 3, ml = F1F1F1S1F1F1F103 
D) n = 3, l = 2, ml = +1 
E) n = 3, l = 2, ml = 0 
A) n = 4, l = 4, ml = +3 
B) n = 4, l = 3, ml = +4 
C) n = 4, l = 3, ml = F1F1F1S1F1F1F103 
D) n = 3, l = 2, ml = +1 
E) n = 3, l = 2, ml = 0

Question 18

Write the ground-state electron configuration of Tl+.

Accepted Answer

A) [Xe]4f145d106p2  
B) [Xe]4f145d106s2  
C) [Xe]4f145d106s16p1  
D) [Xe]4f145d86s16p3  
E) [Xe]4f145d56s16p6  
A) [Xe]4f145d106p2  
B) [Xe]4f145d106s2  
C) [Xe]4f145d106s16p1  
D) [Xe]4f145d86s16p3  
E) [Xe]4f145d56s16p6

Question 19

Which atom has the highest second ionization energy?

Accepted Answer

A) Cs 
B) Na 
C) Li 
D) K 
A) Cs 
B) Na 
C) Li 
D) K

Question 20

Which of the following atoms or ions is isoelectronic with Be2+?

Accepted Answer

A) Na+  
B) BrF1F1F1S1F1F1F10  
C) He 
D) Xe 
E) He+  
A) Na+  
B) BrF1F1F1S1F1F1F10  
C) He 
D) Xe 
E) He+

Which of the following is not a metal?

What is the only secondary quantum number associated with the 4s orbital?

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Write the ground-state electron configuration of a samarium atom.

Which of the following elements has the least metal character?

Write the ground-state electron configuration of In⁺.

Which of the following statements is true?

Which of the following has the largest effective nuclear charge?

Write the ground-state electron configuration of Sb³⁺.

Which set of quantum numbers corresponds to the electrons in He?

Which of the following has similar properties to Al?

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4,l = 2,m_l = 1.The electron is located in what type of orbital?

How many unpaired electrons are in a chromium trivalent ion?

What is the ground-state electron configuration of Nb?

The total number of orbitals in a shell with principal quantum number 5 is

Consider the following ground-state electronic configurations.Which atom has both the highest first ionization energy and the highest electron affinity?

Which set of quantum numbers could correspond to a 4f-orbital?

Write the ground-state electron configuration of Tl⁺.

Which atom has the highest second ionization energy?

Which of the following atoms or ions is isoelectronic with Be²⁺?

The Quantum World

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: the D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 2: Quantum Mechanics in Action: Atoms

Which of the following is not a metal?

What is the only secondary quantum number associated with the 4s orbital?

Which of the following is likely to form ions two units lower in charge than expected from the group number?

Write the ground-state electron configuration of a samarium atom.

Which of the following elements has the least metal character?

Write the ground-state electron configuration of In+.

Which of the following statements is true?

Which of the following has the largest effective nuclear charge?

Write the ground-state electron configuration of Sb3+.

Which set of quantum numbers corresponds to the electrons in He?

Which of the following has similar properties to Al?

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4,l = 2,ml = 1.The electron is located in what type of orbital?

How many unpaired electrons are in a chromium trivalent ion?

What is the ground-state electron configuration of Nb?

The total number of orbitals in a shell with principal quantum number 5 is

Consider the following ground-state electronic configurations.Which atom has both the highest first ionization energy and the highest electron affinity?

Which set of quantum numbers could correspond to a 4f-orbital?

Write the ground-state electron configuration of Tl+.

Which atom has the highest second ionization energy?

Which of the following atoms or ions is isoelectronic with Be2+?

The Quantum World

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: the D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Write the ground-state electron configuration of In⁺.

Write the ground-state electron configuration of Sb³⁺.

The three quantum numbers for an electron in a hydrogen atom in a certain state are n = 4,l = 2,m_l = 1.The electron is located in what type of orbital?

Write the ground-state electron configuration of Tl⁺.

Which of the following atoms or ions is isoelectronic with Be²⁺?