Question 1

What are the possibilities of the spin quantum number for Mg?

Accepted Answer

A) ms = 1 
B) ms = 0 
C) ms = F1F1F1S1F1F1F10 
D) ms = - ½ 
E) Both C and D 
A) ms = 1 
B) ms = 0 
C) ms = F1F1F1S1F1F1F10 
D) ms = - ½ 
E) Both C and D

Question 2

Write the ground-state electron configuration of Cl+.

Accepted Answer

A) [Ne]3s23p4  
B) [Ne]3s23p5  
C) [Ne]3s13p4  
D) [Ne]3s23p6  
E) [Ar]3s23p4  
A) [Ne]3s23p4  
B) [Ne]3s23p5  
C) [Ne]3s13p4  
D) [Ne]3s23p6  
E) [Ar]3s23p4

Question 3

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 4

Which of the following species is isoelectronic with As3-?

Accepted Answer

A) Na+  
B) ClF1F1F1S1F1F1F10  
C) Ar 
D) Kr 
E) Ba2+  
A) Na+  
B) ClF1F1F1S1F1F1F10  
C) Ar 
D) Kr 
E) Ba2+

Question 5

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

Accepted Answer

A) Mg and Al 
B) Li and Be 
C) Mg and Ge 
D) Na and Ca 
E) None of the above. 
A) Mg and Al 
B) Li and Be 
C) Mg and Ge 
D) Na and Ca 
E) None of the above.

Question 6

If the second ionization energy of copper is 1958 kJ·mol-1,the first ionization energy is likely to be greater than 1958 kJ·mol-1.True or false?

Accepted Answer

A) True 
 B)False

Question 7

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 8

Where is the nodal plane for the px orbital?

Accepted Answer

A) On the x-z plane. 
B) On the y-z plane. 
C) On the x-y plane. 
D) Midway between the x-y and the y-z plane. 
E) The px orbital does not have a nodal plane. 
A) On the x-z plane. 
B) On the y-z plane. 
C) On the x-y plane. 
D) Midway between the x-y and the y-z plane. 
E) The px orbital does not have a nodal plane.

Question 9

Which of the following has the smallest radius?

Accepted Answer

A) B3+ 
B) C4+ 
C) Fe2+ 
D) Fe 
E) Fe3+ 
A) B3+ 
B) C4+ 
C) Fe2+ 
D) Fe 
E) Fe3+

Question 10

All the following are diatomic gases except

Accepted Answer

A) Hydrogen. 
B) Fluorine. 
C) Oxygen. 
D) Neon. 
E) Nitrogen. 
A) Hydrogen. 
B) Fluorine. 
C) Oxygen. 
D) Neon. 
E) Nitrogen.

Question 11

Which of the following has the largest radius?

Accepted Answer

A) N3− 
B) FF1F1F1S1F1F1F10 
C) H+ 
D) He 
E) O2− 
A) N3− 
B) FF1F1F1S1F1F1F10 
C) H+ 
D) He 
E) O2−

Question 12

From the data below,which elements are likely to be nonmetals? Element
First ionization energy,kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101
--------------------------
1
1310
2
980
3
418
4
2080
5
947

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

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 14

Of the following,which has the largest atomic radius?

Accepted Answer

A) Ga  
B) Ge  
C) As 
D) Se 
E) Br  
A) Ga  
B) Ge  
C) As 
D) Se 
E) Br

Question 15

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 16

Given the elements Cl,Ge,and K and three values of possible first ionization energies,418,1255,784 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101,match the atoms with their first ionization energies.

Accepted Answer

A) Cl (418), Ge (784), and K (1255 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
B) Cl (1255), Ge (784), and K (418 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
C) Cl (784), Ge (1255), and K (418 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
D) Cl (1255), Ge (418), and K (784 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
E) Cl (418), Ge (1255), and K (784 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
A) Cl (418), Ge (784), and K (1255 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
B) Cl (1255), Ge (784), and K (418 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
C) Cl (784), Ge (1255), and K (418 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
D) Cl (1255), Ge (418), and K (784 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101) 
E) Cl (418), Ge (1255), and K (784 kJF1F1F1S1F1F1F10molF1F1F1S1F1F1F101)

Question 17

Which set of quantum numbers,n,l,ml,could correspond to one of the highest energy electrons in Zr?

Accepted Answer

A) 4, 2, F1F1F1S1F1F1F102 
B) 4, 2, +3 
C) 3, 2, F1F1F1S1F1F1F102 
D) 4, 3, F1F1F1S1F1F1F102 
A) 4, 2, F1F1F1S1F1F1F102 
B) 4, 2, +3 
C) 3, 2, F1F1F1S1F1F1F102 
D) 4, 3, F1F1F1S1F1F1F102

Question 18

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 19

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 20

In each pair,which ionization reaction is larger?
(a)I3 of B; or I3 of Be
(b)I4 of C; or I3 of B

Accepted Answer

(a)I₃ of Be

What are the possibilities of the spin quantum number for Mg?

Write the ground-state electron configuration of Cl⁺.

A chloride ion contains how many unpaired electrons?

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

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

If the second ionization energy of copper is 1958 kJ·mol^-1,the first ionization energy is likely to be greater than 1958 kJ·mol^-1.True or false?

All the following are metalloids except:

Where is the nodal plane for the p_x orbital?

Which of the following has the smallest radius?

All the following are diatomic gases except

Which of the following has the largest radius?

From the data below,which elements are likely to be nonmetals? Element First ionization energy,kJmol^¹ ^--------^{------------------} 1 1310 2 980 3 418 4 2080 5 947

What is the principle quantum number for gallium?

Of the following,which has the largest atomic radius?

Which atom has the lowest electron affinity?

Given the elements Cl,Ge,and K and three values of possible first ionization energies,418,1255,784 kJmol^¹,match the atoms with their first ionization energies.

Which set of quantum numbers,n,l,m_l,could correspond to one of the highest energy electrons in Zr?

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

Write the ground-state electron configuration of Pb²⁺.

In each pair,which ionization reaction is larger? (a)I₃ of B; or I₃ of Be (b)I₄ of C; or I₃ of B

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

What are the possibilities of the spin quantum number for Mg?

Write the ground-state electron configuration of Cl+.

A chloride ion contains how many unpaired electrons?

Which of the following species is isoelectronic with As3-?

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

If the second ionization energy of copper is 1958 kJ·mol-1,the first ionization energy is likely to be greater than 1958 kJ·mol-1.True or false?

All the following are metalloids except:

Where is the nodal plane for the px orbital?

Which of the following has the smallest radius?

All the following are diatomic gases except

Which of the following has the largest radius?

From the data below,which elements are likely to be nonmetals? Element First ionization energy,kJmol1 -------------------------- 1 1310 2 980 3 418 4 2080 5 947

What is the principle quantum number for gallium?

Of the following,which has the largest atomic radius?

Which atom has the lowest electron affinity?

Given the elements Cl,Ge,and K and three values of possible first ionization energies,418,1255,784 kJmol1,match the atoms with their first ionization energies.

Which set of quantum numbers,n,l,ml,could correspond to one of the highest energy electrons in Zr?

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

Write the ground-state electron configuration of Pb2+.

In each pair,which ionization reaction is larger? (a)I3 of B; or I3 of Be (b)I4 of C; or I3 of B

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 Cl⁺.

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

If the second ionization energy of copper is 1958 kJ·mol^-1,the first ionization energy is likely to be greater than 1958 kJ·mol^-1.True or false?

Where is the nodal plane for the p_x orbital?

From the data below,which elements are likely to be nonmetals? Element First ionization energy,kJmol^¹ ^--------^{------------------} 1 1310 2 980 3 418 4 2080 5 947

Given the elements Cl,Ge,and K and three values of possible first ionization energies,418,1255,784 kJmol^¹,match the atoms with their first ionization energies.

Which set of quantum numbers,n,l,m_l,could correspond to one of the highest energy electrons in Zr?

Write the ground-state electron configuration of Pb²⁺.

In each pair,which ionization reaction is larger? (a)I₃ of B; or I₃ of Be (b)I₄ of C; or I₃ of B