Question 1

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

Question 2

Which of the following would be most reactive with air and water?

Accepted Answer

A) Ba 
B) Mg 
C) Ga 
D) Br 
A) Ba 
B) Mg 
C) Ga 
D) Br

Question 3

How many unpaired electrons exist in the ground state of a Cu+ ion?

Accepted Answer

A) 0 
B) 2 
C) 1 
D) 3 
E) 5 
A) 0 
B) 2 
C) 1 
D) 3 
E) 5

Question 4

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 5

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

Accepted Answer

A) [Xe]4f145d56s16p67s2  
B) [Xe]4f145d106s26p2  
C) [Xe]4f145d106s16p3  
D) [Xe]4f145d106p4  
E) [Xe]4f145d96s26p3  
A) [Xe]4f145d56s16p67s2  
B) [Xe]4f145d106s26p2  
C) [Xe]4f145d106s16p3  
D) [Xe]4f145d106p4  
E) [Xe]4f145d96s26p3

Question 6

Which of the following atoms has the highest electron affinity?

Accepted Answer

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

Question 7

Which of the following statements is true?

Accepted Answer

A) A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B) A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C) A p-electron has a nonzero probability density at the nucleus. 
D) A d-electron has a nonzero probability density at the nucleus. 
E) A p-electron experiences a smaller effective nuclear charge than an s-electron. 
A) A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B) A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C) A p-electron has a nonzero probability density at the nucleus. 
D) A d-electron has a nonzero probability density at the nucleus. 
E) A p-electron experiences a smaller effective nuclear charge than an s-electron.

Question 8

Which of the following species is isoelectronic with S2F1F1F1S1F1F1F10?

Accepted Answer

A) Mg2+  
B) Rb+  
C) Ar 
D) As3F1F1F1S1F1F1F10  
E) BrF1F1F1S1F1F1F10  
A) Mg2+  
B) Rb+  
C) Ar 
D) As3F1F1F1S1F1F1F10  
E) BrF1F1F1S1F1F1F10

Question 9

Which of the following has the largest radius?

Accepted Answer

A) P3− 
B) ClF1F1F1S1F1F1F10 
C) K+ 
D) Cl 
E) N3− 
A) P3− 
B) ClF1F1F1S1F1F1F10 
C) K+ 
D) Cl 
E) N3−

Question 10

Which of the following pairs of elements has members with similar properties?

Accepted Answer

A) B and Si 
B) Li and Be 
C) Mg and Al 
D) Na and Ca 
E) Se and I 
A) B and Si 
B) Li and Be 
C) Mg and Al 
D) Na and Ca 
E) Se and I

Question 11

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 12

Which set of orbitals encompass two shapes?

Accepted Answer

A) The s orbitals. 
B) The p orbitals. 
C) The d orbitals. 
D) Both B and C, above. 
E) Both A and C, above. 
A) The s orbitals. 
B) The p orbitals. 
C) The d orbitals. 
D) Both B and C, above. 
E) Both A and C, above.

Question 13

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 14

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 15

All the following are metals except:

Accepted Answer

A) Cd. 
B) Zn. 
C) Ge. 
D) Al. 
E) Ga. 
A) Cd. 
B) Zn. 
C) Ge. 
D) Al. 
E) Ga.

Question 16

From the data below,which element is likely to be a metal? Element
First ionization energy,kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101
--------------------------
1
1310
2
1011
3
418
4
2080
5
947

Accepted Answer

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

Question 17

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 18

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 19

Which of the following has the largest atomic radius?

Accepted Answer

A) S2F1F1F1S1F1F1F10  
B) Cl 
C) ClF1F1F1S1F1F1F10  
D) K+  
E) S 
A) S2F1F1F1S1F1F1F10  
B) Cl 
C) ClF1F1F1S1F1F1F10  
D) K+  
E) S

Question 20

Which of the following has the largest radius?

Accepted Answer

A) Cr 
B) Cl 
C) Cu 
D) Gd 
E) Ga 
A) Cr 
B) Cl 
C) Cu 
D) Gd 
E) Ga

Which of the following species is isoelectronic with Ra²⁺?

Which of the following would be most reactive with air and water?

How many unpaired electrons exist in the ground state of a Cu⁺ ion?

Write the ground-state electron configuration of Ru²⁺.

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

Which of the following atoms has the highest electron affinity?

Which of the following statements is true?

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

Which of the following has the largest radius?

Which of the following pairs of elements has members with similar properties?

Which of the following has the largest radius?

Which set of orbitals encompass two shapes?

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

Write the ground-state electron configuration of Sb.

All the following are metals except:

From the data below,which element is likely to be a metal? Element First ionization energy,kJmol^¹ ^{--------------------------} 1 1310 2 1011 3 418 4 2080 5 947

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

Which of the following has the largest effective nuclear charge?

Which of the following has the largest atomic radius?

Which of the following has the largest 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

Exam 2: Quantum Mechanics in Action: Atoms

Which of the following species is isoelectronic with Ra2+?

Which of the following would be most reactive with air and water?

How many unpaired electrons exist in the ground state of a Cu+ ion?

Write the ground-state electron configuration of Ru2+.

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

Which of the following atoms has the highest electron affinity?

Which of the following statements is true?

Which of the following species is isoelectronic with S2?

Which of the following has the largest radius?

Which of the following pairs of elements has members with similar properties?

Which of the following has the largest radius?

Which set of orbitals encompass two shapes?

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

Write the ground-state electron configuration of Sb.

All the following are metals except:

From the data below,which element is likely to be a metal? Element First ionization energy,kJmol1 -------------------------- 1 1310 2 1011 3 418 4 2080 5 947

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

Which of the following has the largest effective nuclear charge?

Which of the following has the largest atomic radius?

Which of the following has the largest 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

Which of the following species is isoelectronic with Ra²⁺?

How many unpaired electrons exist in the ground state of a Cu⁺ ion?

Write the ground-state electron configuration of Ru²⁺.

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

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

From the data below,which element is likely to be a metal? Element First ionization energy,kJmol^¹ ^{--------------------------} 1 1310 2 1011 3 418 4 2080 5 947