Question 1

How many nodes are present in a 3s- and a 3p-orbital,respectively?

Accepted Answer

A) 2;1 
B) 0; 1 
C) 0; 2 
D) 1; 1 
E) 2; 2 
A) 2;1 
B) 0; 1 
C) 0; 2 
D) 1; 1 
E) 2; 2

Question 2

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 3

Which of the following species is isoelectronic with As3-?

Accepted Answer

A) Na+  
B) Cl-  
C) Ar 
D) Kr 
E) Ba2+  
A) Na+  
B) Cl-  
C) Ar 
D) Kr 
E) Ba2+

Question 4

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

Question 5

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 6

A chloride ion contains how many unpaired electrons?

Accepted Answer

A) 8 
B) 6 
C) 4 
D) 2 
E) 0 
A) 8 
B) 6 
C) 4 
D) 2 
E) 0

Question 7

Write the ground-state electron configuration of Pb2+.

Accepted Answer

A) [Xe]4f145d56s16p6  
B) [Xe]4f145d106s2  
C) [Xe]4f145d56s26p5  
D) [Xe]4f145d106s16p1  
E) [Xe]4f145d106p2  
A) [Xe]4f145d56s16p6  
B) [Xe]4f145d106s2  
C) [Xe]4f145d56s26p5  
D) [Xe]4f145d106s16p1  
E) [Xe]4f145d106p2

Question 8

Write the ground-state electron configuration of Sb.

Accepted Answer

A) [Kr]4d85s15p3  
B) [Kr]4d55s15p6  
C) [Kr]4d105p2  
D) [Kr]4d105s25p3  
E) [Kr]4d105s2  
A) [Kr]4d85s15p3  
B) [Kr]4d55s15p6  
C) [Kr]4d105p2  
D) [Kr]4d105s25p3  
E) [Kr]4d105s2

Question 9

Which of the following subshells cannot exist in an atom?

Accepted Answer

A) 4d 
B) 5g 
C) 5f 
D) 4f 
E) 3f 
A) 4d 
B) 5g 
C) 5f 
D) 4f 
E) 3f

Question 10

Si4+ is isoelectronic with which of the following?

Accepted Answer

A) K+  
B) Ne  
C) Kr 
D) Cl- 
E) Sr2+  
A) K+  
B) Ne  
C) Kr 
D) Cl- 
E) Sr2+

Question 11

Because of fluorine's high electronegativity,less energy is required to make F2- from F-than to make O2- from O-.

Accepted Answer

A) True 
 B)False

Question 12

All the following are metalloids except:

Accepted Answer

A) B. 
B) As. 
C) Ge. 
D) Sb. 
E) Si. 
A) B. 
B) As. 
C) Ge. 
D) Sb. 
E) Si.

Question 13

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

Accepted Answer

A) [Xe]5d76s2  
B) [Xe]4f25d56s2  
C) [Xe]4f9  
D) [Xe]4f76s2  
E) [Xe]4f55d26s2  
A) [Xe]5d76s2  
B) [Xe]4f25d56s2  
C) [Xe]4f9  
D) [Xe]4f76s2  
E) [Xe]4f55d26s2

Question 14

All the following can have the ground-state electron configuration [Kr]4d10 except

Accepted Answer

A) Cd2+.  
B) Ag+.  
C) Pd. 
D) In+.  
E) Sn4+. 
A) Cd2+.  
B) Ag+.  
C) Pd. 
D) In+.  
E) Sn4+.

Question 15

Write the ground-state electron configuration of FeS1U1P13+S1S1P0.

Accepted Answer

A) [Ar]3dS1U1P15S1S1P04sS1U1P12S1S1P0 
B) [Ar]3dS1U1P13S1S1P04sS1U1P12S1S1P0 
C) [Ar]3dS1U1P13S1S1P04sS1U1P10S1S1P0 
D) [Ar]3dS1U1P16S1S1P04sS1U1P11S1S1P0 
E) [Ar]3dS1U1P13S1S1P04sS1U1P13S1S1P0 
A) [Ar]3dS1U1P15S1S1P04sS1U1P12S1S1P0 
B) [Ar]3dS1U1P13S1S1P04sS1U1P12S1S1P0 
C) [Ar]3dS1U1P13S1S1P04sS1U1P10S1S1P0 
D) [Ar]3dS1U1P16S1S1P04sS1U1P11S1S1P0 
E) [Ar]3dS1U1P13S1S1P04sS1U1P13S1S1P0

Question 16

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 17

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 18

Write the ground-state electron configuration of Ru2+.

Accepted Answer

A) [Kr]4d55s1  
B) [Kr]4d7  
C) [Kr]4d55p1  
D) [Kr]4d8  
E) [Kr]4d6 
A) [Kr]4d55s1  
B) [Kr]4d7  
C) [Kr]4d55p1  
D) [Kr]4d8  
E) [Kr]4d6

Question 19

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

Question 20

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+.

How many nodes are present in a 3s- and a 3p-orbital,respectively?

Of the following,which is not an alkali metal?

Which of the following species is isoelectronic with As^3-?

Which of the following has the smallest atomic radius?

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

A chloride ion contains how many unpaired electrons?

Write the ground-state electron configuration of Pb²⁺.

Write the ground-state electron configuration of Sb.

Which of the following subshells cannot exist in an atom?

Si⁴⁺ is isoelectronic with which of the following?

Because of fluorine's high electronegativity,less energy is required to make F²^- from F^-than to make O²^- from O^-.

All the following are metalloids except:

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

All the following can have the ground-state electron configuration [Kr]4d¹⁰ except

Write the ground-state electron configuration of Fe³⁺.

Which atom has the highest second ionization energy?

Which of the following has the largest atomic radius?

Write the ground-state electron configuration of Ru²⁺.

Which atom has the highest first ionization energy?

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

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

How many nodes are present in a 3s- and a 3p-orbital,respectively?

Of the following,which is not an alkali metal?

Which of the following species is isoelectronic with As3-?

Which of the following has the smallest atomic radius?

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

A chloride ion contains how many unpaired electrons?

Write the ground-state electron configuration of Pb2+.

Write the ground-state electron configuration of Sb.

Which of the following subshells cannot exist in an atom?

Si4+ is isoelectronic with which of the following?

Because of fluorine's high electronegativity,less energy is required to make F2- from F-than to make O2- from O-.

All the following are metalloids except:

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

All the following can have the ground-state electron configuration [Kr]4d10 except

Write the ground-state electron configuration of Fe3+.

Which atom has the highest second ionization energy?

Which of the following has the largest atomic radius?

Write the ground-state electron configuration of Ru2+.

Which atom has the highest first ionization energy?

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

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

Which of the following species is isoelectronic with As^3-?

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

Write the ground-state electron configuration of Pb²⁺.

Si⁴⁺ is isoelectronic with which of the following?

Because of fluorine's high electronegativity,less energy is required to make F²^- from F^-than to make O²^- from O^-.

All the following can have the ground-state electron configuration [Kr]4d¹⁰ except

Write the ground-state electron configuration of Fe³⁺.

Write the ground-state electron configuration of Ru²⁺.

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