Question 1

Alternative but equivalent Lewis structures are called ________.

Accepted Answer

resonance

Question 2

What is the electron configuration for the Fe3+ ion?

Accepted Answer

A) [Ar]4s13d6 
B) [Ar]4s03d7 
C) [Ar]4s03d5 
D) [Ar]4s23d9 
E) [Ne]3s23p10 
A) [Ar]4s13d6 
B) [Ar]4s03d7 
C) [Ar]4s03d5 
D) [Ar]4s23d9 
E) [Ne]3s23p10

Question 3

When a metal gains an electron, the process is endothermic.

Accepted Answer

A) True 
 B)False

Question 4

In the molecule below, which atom has the largest partial negative charge? Cl
∣
F- C -Br
∣
I

Accepted Answer

A) Cl 
B) F 
C) Br 
D) I 
E) C 
A) Cl 
B) F 
C) Br 
D) I 
E) C

Question 5

Of the following, ________ cannot accommodate more than an octet of electrons.

Accepted Answer

A) Ni 
B) Sc 
C) Be 
D) Os 
E) Sb 
A) Ni 
B) Sc 
C) Be 
D) Os 
E) Sb

Question 6

Determining lattice energy from Born-Haber cycle data requires the use of ________.

Accepted Answer

A) the octet rule 
B) Coulomb's law 
C) Periodic law 
D) Hess's law 
E) Avogadro's number 
A) the octet rule 
B) Coulomb's law 
C) Periodic law 
D) Hess's law 
E) Avogadro's number

Question 7

In a reaction, if the bonds in the reactants are stronger than the bonds in the product, the reaction is ________.

Accepted Answer

The answer of In a reaction, if the bonds in...

Question 8

The formal charge on carbon in the molecule below is ________.

Accepted Answer

A) 0 
B) +1 
C) +2 
D) +3 
E) -1 
A) 0 
B) +1 
C) +2 
D) +3 
E) -1

Question 9

What species has the electron configuration [Ar]3d4?

Accepted Answer

A) Mn2+ 
B) Cr2+ 
C) V3+ 
D) Fe3+ 
E) K+ 
A) Mn2+ 
B) Cr2+ 
C) V3+ 
D) Fe3+ 
E) K+

Question 10

The Lewis structure of the CO32- ion is ________.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 11

Elements from opposite sides of the periodic table tend to form ________.

Accepted Answer

A) covalent compounds 
B) ionic compounds 
C) compounds that are gaseous at room temperature 
D) homonuclear diatomic compounds 
E) covalent compounds that are gaseous at room temperature 
A) covalent compounds 
B) ionic compounds 
C) compounds that are gaseous at room temperature 
D) homonuclear diatomic compounds 
E) covalent compounds that are gaseous at room temperature

Question 12

The ability of an atom in a molecule to attract electrons is best quantified by the ________.

Accepted Answer

A) paramagnetism 
B) diamagnetism 
C) electronegativity 
D) electron charge-to-mass ratio 
E) first ionization potential 
A) paramagnetism 
B) diamagnetism 
C) electronegativity 
D) electron charge-to-mass ratio 
E) first ionization potential

Question 13

The principal quantum number of the electrons that are lost when iron forms a cation is ________.

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 2 
E) 1 
A) 4 
B) 5 
C) 6 
D) 2 
E) 1

Question 14

How many equivalent resonance forms can be drawn for CO32-? (Carbon is the central atom.)

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 0 
A) 1 
B) 2 
C) 3 
D) 4 
E) 0

Question 15

For the questions that follow, consider the BEST Lewis structures of the following oxyanions:
(i)NOS1U1B12S1U1B0S1U1P1-S1S1P0 
(ii)NOS1U1B13S1U1B0S1U1P1-S1S1P0 
(iii)SOS1U1B13S1U1B0S1U1P12-S1S1P0 
(iv)SOS1U1B14S1U1B0S1U1P12-S1S1P0 
(v)BrOS1U1B13S1U1B0S1U1P1-S1S1P0
-There can be four equivalent best resonance structures of ________.

Accepted Answer

A) (i) 
B) (ii) 
C) (iii) 
D) (iv) 
E) (v) 
A) (i) 
B) (ii) 
C) (iii) 
D) (iv) 
E) (v)

Question 16

Which of the following would have to lose two electrons in order to achieve a noble gas electron configuration? O Sr Na Se Br

Accepted Answer

A) O, Se 
B) Sr 
C) Na 
D) Br 
E) Sr, O, Se 
A) O, Se 
B) Sr 
C) Na 
D) Br 
E) Sr, O, Se

Question 17

The only noble gas without eight valence electrons is ________.

Accepted Answer

A) Ar 
B) Ne 
C) He 
D) Kr 
E) All noble gases have eight valence electrons. 
A) Ar 
B) Ne 
C) He 
D) Kr 
E) All noble gases have eight valence electrons.

Question 18

There are ______ covalent bonds in the Lewis Structure of CH3CHCl2.

Accepted Answer

A) 7 
B) 6 
C) 8 
D) 5 
E) 4 
A) 7 
B) 6 
C) 8 
D) 5 
E) 4

Question 19

The electron configuration that corresponds to the Lewis symbol, :   . is ________.

Accepted Answer

The answer of The electron configuration that corresponds to the...

Question 20

Of the atoms below, ________ is the most electronegative.

Accepted Answer

A) C 
B) Si 
C) Ge 
D) B 
E) Al 
A) C 
B) Si 
C) Ge 
D) B 
E) Al

Exam 8: Basic Concepts of Chemical Bonding

Alternative but equivalent Lewis structures are called ________.

What is the electron configuration for the Fe3+ ion?

When a metal gains an electron, the process is endothermic.

In the molecule below, which atom has the largest partial negative charge? Cl ∣ F- C -Br ∣ I

Of the following, ________ cannot accommodate more than an octet of electrons.

Determining lattice energy from Born-Haber cycle data requires the use of ________.

In a reaction, if the bonds in the reactants are stronger than the bonds in the product, the reaction is ________.

The formal charge on carbon in the molecule below is ________.

What species has the electron configuration [Ar]3d4?

The Lewis structure of the CO32- ion is ________.

Elements from opposite sides of the periodic table tend to form ________.

The ability of an atom in a molecule to attract electrons is best quantified by the ________.

The principal quantum number of the electrons that are lost when iron forms a cation is ________.

How many equivalent resonance forms can be drawn for CO32-? (Carbon is the central atom.)

For the questions that follow, consider the BEST Lewis structures of the following oxyanions: (i)NO2- (ii)NO3- (iii)SO32- (iv)SO42- (v)BrO3- -There can be four equivalent best resonance structures of ________.

Which of the following would have to lose two electrons in order to achieve a noble gas electron configuration? O Sr Na Se Br

The only noble gas without eight valence electrons is ________.

There are ______ covalent bonds in the Lewis Structure of CH3CHCl2.

The electron configuration that corresponds to the Lewis symbol, : . is ________.

Of the atoms below, ________ is the most electronegative.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

What is the electron configuration for the Fe³⁺ ion?

What species has the electron configuration [Ar]3d⁴?

The Lewis structure of the CO₃^2- ion is ________.

How many equivalent resonance forms can be drawn for CO₃^2-? (Carbon is the central atom.)

For the questions that follow, consider the BEST Lewis structures of the following oxyanions: (i)NO₂^- (ii)NO₃^- (iii)SO₃^2- (iv)SO₄^2- (v)BrO₃^- -There can be four equivalent best resonance structures of ________.

There are ______ covalent bonds in the Lewis Structure of CH₃CHCl₂.