Question 1

Which of the elements listed below has the highest first ionization energy?

Accepted Answer

A) He 
B) Ne 
C) Ar 
D) Kr 
E) Xe 
A) He 
B) Ne 
C) Ar 
D) Kr 
E) Xe

Question 2

Which of the following elements behaves chemically similarly to oxygen?

Accepted Answer

A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron
F)beryllium 
A) magnesium 
B) sodium 
C) sulfur 
D) chlorine 
E) iron
F)beryllium

Question 3

Consider the following reaction: 3Li + Z $\rarr$ Li3Z.What is the formula for the compound if we substitute sodium for lithium?

Accepted Answer

A) NaZ 
B) Na2Z 
C) NaZ2 
D) Na3Z 
E) NaZ3 
A) NaZ 
B) Na2Z 
C) NaZ2 
D) Na3Z 
E) NaZ3

Question 4

The elements in Group 7A are known by what name?

Accepted Answer

A) transition metals 
B) halogens 
C) alkali metals 
D) alkaline earth metals 
E) noble gases 
A) transition metals 
B) halogens 
C) alkali metals 
D) alkaline earth metals 
E) noble gases

Question 5

For Mg atoms a very large jump in the magnitudes of the ionization energies will occur between the second and the third ionization energies.

Accepted Answer

A) True 
 B)False

Question 6

How many 3d electrons does the manganese(II)ion, Mn2+, have?

Accepted Answer

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

Question 7

Which of the following is an amphoteric oxide?

Accepted Answer

A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7 
A) Na2O 
B) MgO 
C) Al2O3 
D) SO2 
E) Cl2O7

Question 8

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

Accepted Answer

A) N2+(g)$\rarr$N3+(g)+ e- 
B) N2+(g)+ e- $\rarr$ N+(g) 
C) N(g)$\rarr$ N2+(g)+ 2e- 
D) N-(g)+ e- $\rarr$ N2-(g) 
E) N+(g)$\rarr$N2+(g)+ e- 
A) N2+(g)$\rarr$N3+(g)+ e- 
B) N2+(g)+ e- $\rarr$ N+(g) 
C) N(g)$\rarr$ N2+(g)+ 2e- 
D) N-(g)+ e- $\rarr$ N2-(g) 
E) N+(g)$\rarr$N2+(g)+ e-

Question 9

Consider the element with the electron configuration [Kr]5s24d7. This element is

Accepted Answer

A) a representative element. 
B) a transition metal. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas. 
A) a representative element. 
B) a transition metal. 
C) a nonmetal. 
D) an actinide element. 
E) a noble gas.

Question 10

Write the ground-state electron configuration for K+.

Accepted Answer

Question 11

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Accepted Answer

A) acidic 
B) ionic 
C) amphoteric 
D) neutral 
E) basic 
A) acidic 
B) ionic 
C) amphoteric 
D) neutral 
E) basic

Question 12

Which of the following is the electron configuration for the aluminum ion?

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4 
A) 1s22s22p63s2 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p1 
D) 1s22s22p6 
E) 1s22s22p63s23p4

Question 13

The cobalt(III)ion, Co3+, has how many 3d electrons?

Accepted Answer

A) 0 
B) 7 
C) 6 
D) 5 
E) 4 
A) 0 
B) 7 
C) 6 
D) 5 
E) 4

Question 14

The successive ionization energies of a certain element are I1 = 577.9 kJ/mol, I2 = 1820 kJ/mol, I3= 2750 kJ/mol, I4 = 11,600 kJ/mol, and I5 = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Accepted Answer

A) K 
B) Al 
C) Cl 
D) Se 
E) Kr 
A) K 
B) Al 
C) Cl 
D) Se 
E) Kr

Question 15

Which of the following elements behaves chemically similarly to silver?

Accepted Answer

A) nickel 
B) gold 
C) sulfur 
D) chlorine 
E) iron
F)beryllium 
A) nickel 
B) gold 
C) sulfur 
D) chlorine 
E) iron
F)beryllium

Question 16

An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

Accepted Answer

A) 2A 
B) 3A 
C) 4A 
D) 5A 
E) 8A 
A) 2A 
B) 3A 
C) 4A 
D) 5A 
E) 8A

Question 17

Write the ground-state electron configuration for I-.

Accepted Answer

Question 18

Which of the following elements has the smallest first ionization energy?

Accepted Answer

A) Cl 
B) Na 
C) Be 
D) K 
E) As 
A) Cl 
B) Na 
C) Be 
D) K 
E) As

Question 19

Consider the following reaction 2A + 3F2 $\rarr$ 2AF3.What is the formula for the reaction product if we substitute iodine for fluorine?

Accepted Answer

A) A2I3 
B) A3I2 
C) AI3 
D) A3I 
E) AI 
A) A2I3 
B) A3I2 
C) AI3 
D) A3I 
E) AI

Question 20

Which one of the following is not isoelectronic with the others: Br-, Rb+, Se2-, Sr2+, Te2-?

Accepted Answer

A) Br- 
B) Rb+ 
C) Se2- 
D) Sr2+ 
E) Te2- 
A) Br- 
B) Rb+ 
C) Se2- 
D) Sr2+ 
E) Te2-

Exam 8: Periodic Relationships Among the Elements

Which of the elements listed below has the highest first ionization energy?

Which of the following elements behaves chemically similarly to oxygen?

Consider the following reaction: 3Li + Z →\rarr→ Li3Z.What is the formula for the compound if we substitute sodium for lithium?

The elements in Group 7A are known by what name?

For Mg atoms a very large jump in the magnitudes of the ionization energies will occur between the second and the third ionization energies.

How many 3d electrons does the manganese(II)ion, Mn2+, have?

Which of the following is an amphoteric oxide?

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

Consider the element with the electron configuration [Kr]5s24d7. This element is

Write the ground-state electron configuration for K+.

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Which of the following is the electron configuration for the aluminum ion?

The cobalt(III)ion, Co3+, has how many 3d electrons?

The successive ionization energies of a certain element are I1 = 577.9 kJ/mol, I2 = 1820 kJ/mol, I3= 2750 kJ/mol, I4 = 11,600 kJ/mol, and I5 = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Which of the following elements behaves chemically similarly to silver?

An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

Write the ground-state electron configuration for I-.

Which of the following elements has the smallest first ionization energy?

Consider the following reaction 2A + 3F2 →\rarr→ 2AF3.What is the formula for the reaction product if we substitute iodine for fluorine?

Which one of the following is not isoelectronic with the others: Br-, Rb+, Se2-, Sr2+, Te2-?

Chemistry: The Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Consider the following reaction: 3Li + Z $\rarr$ Li₃Z.What is the formula for the compound if we substitute sodium for lithium?

How many 3d electrons does the manganese(II)ion, Mn²⁺, have?

Consider the element with the electron configuration [Kr]5s²4d⁷. This element is

Write the ground-state electron configuration for K⁺.

Since zirconium is a metal, ZrO₂ is expected to be a/an _____ oxide.

The cobalt(III)ion, Co³⁺, has how many 3d electrons?

The successive ionization energies of a certain element are I₁= 577.9 kJ/mol, I₂= 1820 kJ/mol, I₃= 2750 kJ/mol, I₄ = 11,600 kJ/mol, and I₅ = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

An element with the general electron configuration for its outermost electrons of ns²np¹ would be in which element group?

Write the ground-state electron configuration for I^-.

Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃.What is the formula for the reaction product if we substitute iodine for fluorine?

Which one of the following is not isoelectronic with the others: Br^-, Rb⁺, Se^2-, Sr²⁺, Te^2-?