Question 1

Which of the following species represents an exception to the octet rule?

Accepted Answer

A) SiO2 
B) HBr 
C) SF4 
D) PCl3 
E) CO2 
A) SiO2 
B) HBr 
C) SF4 
D) PCl3 
E) CO2

Question 2

What is the ground-state electron configuration of Fe3+?

Accepted Answer

A) [Ar]3d64s2 
B) [Ar]3d34s2 
C) [Ar]3d44s1 
D) [Ar]3d5 
E) [Ar]3d6 
A) [Ar]3d64s2 
B) [Ar]3d34s2 
C) [Ar]3d44s1 
D) [Ar]3d5 
E) [Ar]3d6

Question 3

In the Born-Haber cycle for LiCl(s),which of the following processes corresponds to the first ionization energy of Li?

Accepted Answer

A) Li-(g)→ Li(g)+ e- 
B) Li(s)→ Li(g) 
C) Li+(g)+ Cl-(g)→ LiCl(s) 
D) Li(g)→ Li+(g)+ e- 
E) Li+(g)+ e- → Li(g) 
A) Li-(g)→ Li(g)+ e- 
B) Li(s)→ Li(g) 
C) Li+(g)+ Cl-(g)→ LiCl(s) 
D) Li(g)→ Li+(g)+ e- 
E) Li+(g)+ e- → Li(g)

Question 4

An atom of which of the following elements has the highest electronegativity?

Accepted Answer

A) K 
B) As 
C) Ba 
D) Si 
E) Br 
A) K 
B) As 
C) Ba 
D) Si 
E) Br

Question 5

What is the ground-state electron configuration of the Mg2+ ion?

Accepted Answer

A) 1s22s22p63s23p2 
B) ​1s22s22p3 
C) ​1s22s22p6 
D) ​1s22s22p1 
E) ​1s22s22p63s2 
A) 1s22s22p63s23p2 
B) ​1s22s22p3 
C) ​1s22s22p6 
D) ​1s22s22p1 
E) ​1s22s22p63s2

Which of the following species represents an exception to the octet rule?

What is the ground-state electron configuration of Fe³⁺?

In the Born-Haber cycle for LiCl(s),which of the following processes corresponds to the first ionization energy of Li?

An atom of which of the following elements has the highest electronegativity?

What is the ground-state electron configuration of the Mg²⁺ ion?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

Filters

Exam 9: Ionic and Covalent Bonding

Which of the following species represents an exception to the octet rule?

What is the ground-state electron configuration of Fe3+?

In the Born-Haber cycle for LiCl(s),which of the following processes corresponds to the first ionization energy of Li?

An atom of which of the following elements has the highest electronegativity?

What is the ground-state electron configuration of the Mg2+ ion?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Organic Chemistry

Polymer Materials: Synthetic and Biological

Filters

What is the ground-state electron configuration of Fe³⁺?

What is the ground-state electron configuration of the Mg²⁺ ion?