Question 1

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

Accepted Answer

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

Question 2

Which of the following species is isoelectronic with Kr?

Accepted Answer

A) K+  
B) ClF1F1F1S1F1F1F10  
C) Ar 
D) Xe 
E) Sr2+  
A) K+  
B) ClF1F1F1S1F1F1F10  
C) Ar 
D) Xe 
E) Sr2+  E

Question 3

Which atom has the highest first ionization energy?

Accepted Answer

A) Pb 
B) Sn 
C) Ge 
D) Si 
A) Pb 
B) Sn 
C) Ge 
D) Si D

Question 4

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Accepted Answer

A) 4d and 10 
B) 4f and 14 
C) 4d and 5 
D) 4p and 3 
E) 4f and 7 
A) 4d and 10 
B) 4f and 14 
C) 4d and 5 
D) 4p and 3 
E) 4f and 7

Question 5

Which of the following has the largest atomic radius?

Accepted Answer

A) F  
B) O  
C) N 
D) C 
E) B  
A) F  
B) O  
C) N 
D) C 
E) B

Question 6

Of the following,which is not an alkali metal?

Accepted Answer

A) Cs. 
B) Fr. 
C) K. 
D) Rb. 
E) Re. 
A) Cs. 
B) Fr. 
C) K. 
D) Rb. 
E) Re.

Question 7

All the following are transition metals except:

Accepted Answer

A) Cd. 
B) Cu. 
C) Pd. 
D) Pb. 
E) Ag. 
A) Cd. 
B) Cu. 
C) Pd. 
D) Pb. 
E) Ag.

Question 8

Which orbitals have the greatest number of nodes?

Accepted Answer

A) The s orbitals. 
B) The p orbitals. 
C) The d orbitals. 
D) The f orbitals. 
E) All orbitals have the same number of nodes. 
A) The s orbitals. 
B) The p orbitals. 
C) The d orbitals. 
D) The f orbitals. 
E) All orbitals have the same number of nodes.

Question 9

Which of the following has the smallest radius?

Accepted Answer

A) P+5 
B) P3- 
C) N+5 
D) N 
E) N3− 
A) P+5 
B) P3- 
C) N+5 
D) N 
E) N3−

Question 10

For F-,write the ground-state electron configuration.

Accepted Answer

A) [Ne]2p5  
B) [Ne]  
C) [Ar]  
D) [He]2p5  
E) [He]1s2  
A) [Ne]2p5  
B) [Ne]  
C) [Ar]  
D) [He]2p5  
E) [He]1s2

Question 11

Consider the following ground-state electronic configurations.Which atom has the lowest first ionization energy?

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 12

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

Accepted Answer

A) [Xe]4f11  
B) [Xe]4f106s1  
C) [Xe]4f96s2  
D) [Xe]4f45d56s2  
E) [Xe]4f65d5  
A) [Xe]4f11  
B) [Xe]4f106s1  
C) [Xe]4f96s2  
D) [Xe]4f45d56s2  
E) [Xe]4f65d5

Question 13

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

Accepted Answer

A) Hg 
B) Cd 
C) Sb 
D) Ge 
E) Zn 
A) Hg 
B) Cd 
C) Sb 
D) Ge 
E) Zn

Question 14

All the following can have the ground-state electron configuration [Xe]4f145d10 except

Accepted Answer

A) Pb4+.  
B) Hg2+.  
C) Bi5+.  
D) Tl+.  
E) Au+.  
A) Pb4+.  
B) Hg2+.  
C) Bi5+.  
D) Tl+.  
E) Au+.

Question 15

What is the ground-state electron configuration of Rb+?

Accepted Answer

A) [Kr]  
B) [Kr]5s1  
C) [Ar]  
D) [Ar]4s1  
E) [Kr]4d10  
A) [Kr]  
B) [Kr]5s1  
C) [Ar]  
D) [Ar]4s1  
E) [Kr]4d10

Question 16

How many unpaired electrons are in a xenon atom?

Accepted Answer

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

Question 17

How many f electrons are in a gadolinium atom?

Accepted Answer

A) 7 
B) 6 
C) 5 
D) 4 
E) 3 
A) 7 
B) 6 
C) 5 
D) 4 
E) 3

Question 18

Write the ground-state electron configuration of Fe3+.

Accepted Answer

A) [Ar]3d54s2  
B) [Ar]3d34s2  
C) [Ar]3d34s0  
D) [Ar]3d64s1  
E) [Ar]3d34s3  
A) [Ar]3d54s2  
B) [Ar]3d34s2  
C) [Ar]3d34s0  
D) [Ar]3d64s1  
E) [Ar]3d34s3

Question 19

All the following are non-metals except

Accepted Answer

A) C. 
B) S. 
C) Ga. 
D) Se. 
E) Cl. 
A) C. 
B) S. 
C) Ga. 
D) Se. 
E) Cl.

Question 20

Which of the following has the smallest atomic radius?

Accepted Answer

A) Cl 
B) P 
C) S 
D) Si 
E) Al 
A) Cl 
B) P 
C) S 
D) Si 
E) Al

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

Which of the following species is isoelectronic with Kr?

Which atom has the highest first ionization energy?

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Which of the following has the largest atomic radius?

Of the following,which is not an alkali metal?

All the following are transition metals except:

Which orbitals have the greatest number of nodes?

Which of the following has the smallest radius?

For F^-,write the ground-state electron configuration.

Consider the following ground-state electronic configurations.Which atom has the lowest first ionization energy?

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

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

All the following can have the ground-state electron configuration [Xe]4f¹⁴5d¹⁰ except

What is the ground-state electron configuration of Rb⁺?

How many unpaired electrons are in a xenon atom?

How many f electrons are in a gadolinium atom?

Write the ground-state electron configuration of Fe³⁺.

All the following are non-metals except

Which of the following has the smallest atomic radius?

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

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Exam 2: Quantum Mechanics in Action: Atoms

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

Which of the following species is isoelectronic with Kr?

Which atom has the highest first ionization energy?

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Which of the following has the largest atomic radius?

Of the following,which is not an alkali metal?

All the following are transition metals except:

Which orbitals have the greatest number of nodes?

Which of the following has the smallest radius?

For F-,write the ground-state electron configuration.

Consider the following ground-state electronic configurations.Which atom has the lowest first ionization energy?

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

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

All the following can have the ground-state electron configuration [Xe]4f145d10 except

What is the ground-state electron configuration of Rb+?

How many unpaired electrons are in a xenon atom?

How many f electrons are in a gadolinium atom?

Write the ground-state electron configuration of Fe3+.

All the following are non-metals except

Which of the following has the smallest atomic radius?

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

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

For F^-,write the ground-state electron configuration.

All the following can have the ground-state electron configuration [Xe]4f¹⁴5d¹⁰ except

What is the ground-state electron configuration of Rb⁺?

Write the ground-state electron configuration of Fe³⁺.