Question 1

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 2

Write the ground-state electron configuration of a tin(IV)ion.

Accepted Answer

A) [Kr]4d35s15p6  
B) [Kr]4d45p6  
C) [Kr]4d55s25p3  
D) [Kr]4d55p5  
E) [Kr]4d10  
A) [Kr]4d35s15p6  
B) [Kr]4d45p6  
C) [Kr]4d55s25p3  
D) [Kr]4d55p5  
E) [Kr]4d10

Question 3

Which of the following has the largest radius?

Accepted Answer

A) Fe3+ 
B) Fe2+ 
C) Fe 
D) F 
E) F− 
A) Fe3+ 
B) Fe2+ 
C) Fe 
D) F 
E) F−

Question 4

What is the principle quantum number for gallium?

Accepted Answer

A) n = 1 
B) n = 2 
C) n = 3 
D) n = 4 
E) n = 5 
A) n = 1 
B) n = 2 
C) n = 3 
D) n = 4 
E) n = 5

Question 5

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 6

Where is the nodal plane in a 1s orbital?

Accepted Answer

A) Along the x-axis. 
B) Along the y-axis. 
C) Along the z-axis. 
D) Mid-way between the x and y-axes. 
E) There is none. 
A) Along the x-axis. 
B) Along the y-axis. 
C) Along the z-axis. 
D) Mid-way between the x and y-axes. 
E) There is none.

Question 7

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 8

Which of the following species is isoelectronic with S2-?

Accepted Answer

A) Mg2+  
B) Rb+  
C) Ar 
D) As3-  
E) Br-  
A) Mg2+  
B) Rb+  
C) Ar 
D) As3-  
E) Br-

Question 9

How many nodal planes are expected for 2s and 4f orbitals,respectively?

Accepted Answer

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

Question 10

Which atom has the highest first ionization energy?

Accepted Answer

A) Mg 
B) Ca 
C) Sr 
D) Ba 
A) Mg 
B) Ca 
C) Sr 
D) Ba

Question 11

Which of the following has the largest effective nuclear charge?

Accepted Answer

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

Question 12

From the data below,which elements are likely to be nonmetals?

Accepted Answer

A) 3 and 5 
B) 3 only 
C) 1 and 4 
D) 1 and 2 
E) 2 and 5 
A) 3 and 5 
B) 3 only 
C) 1 and 4 
D) 1 and 2 
E) 2 and 5

Question 13

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 14

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 = -3 
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 = -3 
D) n = 3,l = 2,ml = +1 
E) n = 3,l = 2,ml = 0

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

Which atom has the lowest electron affinity?

Accepted Answer

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

Question 17

What is the l corresponding to the outermost p electrons in sulfur?

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 18

Which of the following species is isoelectronic with Kr?

Accepted Answer

A) K+  
B) Cl-  
C) Ar 
D) Xe 
E) Sr2+  
A) K+  
B) Cl-  
C) Ar 
D) Xe 
E) Sr2+

Question 19

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 = -0 
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 = -0 
D) n = 1,l = 0,ml = -1 
E) n = 1,l = 2,ml = 0

Question 20

Which of the following species is isoelectronic with Ra2+?

Accepted Answer

A) I-  
B) Kr 
C) Xe 
D) Rn 
E) Fr  
A) I-  
B) Kr 
C) Xe 
D) Rn 
E) Fr

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 tin(IV)ion.

Which of the following has the largest radius?

What is the principle quantum number for gallium?

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

Where is the nodal plane in a 1s orbital?

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

Which of the following species is isoelectronic with S²^-?

How many nodal planes are expected for 2s and 4f orbitals,respectively?

Which atom has the highest first ionization energy?

Which of the following has the largest effective nuclear charge?

From the data below,which elements are likely to be nonmetals?

All the following are non-metals except

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

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

Which atom has the lowest electron affinity?

What is the l corresponding to the outermost p electrons in sulfur?

Which of the following species is isoelectronic with Kr?

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

Which of the following species is isoelectronic with Ra²⁺?

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

Write the ground-state electron configuration of a tin(IV)ion.

Which of the following has the largest radius?

What is the principle quantum number for gallium?

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

Where is the nodal plane in a 1s orbital?

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

Which of the following species is isoelectronic with S2-?

How many nodal planes are expected for 2s and 4f orbitals,respectively?

Which atom has the highest first ionization energy?

Which of the following has the largest effective nuclear charge?

From the data below,which elements are likely to be nonmetals?

All the following are non-metals except

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

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

Which atom has the lowest electron affinity?

What is the l corresponding to the outermost p electrons in sulfur?

Which of the following species is isoelectronic with Kr?

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

Which of the following species is isoelectronic with Ra2+?

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

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

Which of the following species is isoelectronic with S²^-?

Which of the following species is isoelectronic with Ra²⁺?