Question 1

The hybridization of the carbon atom labeled x in the molecule below is ________.

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp3d 
E) sp3d2 
A) sp 
B) sp2 
C) sp3 
D) sp3d 
E) sp3d2

Question 2

The molecular geometry of ________ is square planar.

Accepted Answer

A) CCl4 
B) XeF4 
C) PH3 
D) XeF2 
E) ICl3 
A) CCl4 
B) XeF4 
C) PH3 
D) XeF2 
E) ICl3

Question 3

The sp3d2 atomic hybrid orbital set accommodates ________ electron domains.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 4

The molecular geometry consists of ________. 
(a) a nonbonding pair of electrons
(b) a single bond
(c) a multiple bond

Accepted Answer

A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c 
A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c

Question 5

In molecular orbital theory, the σ1s orbital is ________ and the σ1s* orbital is ________ in the He2+ molecule.

Accepted Answer

A) half-filled, filled 
B) half-filled, half-filled 
C) filled, half-filled 
D) filled, empty 
E) filled, filled 
A) half-filled, filled 
B) half-filled, half-filled 
C) filled, half-filled 
D) filled, empty 
E) filled, filled

Question 6

According to valence bond theory, which orbitals overlap in the formation of the bond in Br2?

Accepted Answer

A) 3s 
B) 3p 
C) 4s 
D) 4p 
E) 3d 
A) 3s 
B) 3p 
C) 4s 
D) 4p 
E) 3d

Question 7

The hybridization of the oxygen atom labeled x in the structure below is ________.

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp3d 
E) sp3d2 
A) sp 
B) sp2 
C) sp3 
D) sp3d 
E) sp3d2

Question 8

An electron domain consists of ________. 
(a) a nonbonding pair of electrons
(B) a single bond
(C) a multiple bond

Accepted Answer

A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c 
A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c

Question 9

Using the VSEPR model, the electron-domain geometry of the central atom in XeF4 is ________.

Accepted Answer

A) linear 
B) trigonal planar 
C) tetrahedral 
D) trigonal bipyramidal 
E) octahedral 
A) linear 
B) trigonal planar 
C) tetrahedral 
D) trigonal bipyramidal 
E) octahedral

Question 10

Possible shapes of AB3 molecules are linear, trigonal planar, and T-shaped.

Accepted Answer

A) True 
 B)False

Question 11

The 1s hydrogen orbital overlaps with the ________ iodine orbital in HI.

Accepted Answer

The answer of The 1s hydrogen orbital overlaps with the...

Question 12

The central atom in the O3 molecule has ________ nonbonded electron pair(s)and ________ bonded electron pair(s)in its valence shell.

Accepted Answer

A) 6, 2 
B) 1, 3 
C) 2, 2 
D) 3, 1 
E) 3, 2 
A) 6, 2 
B) 1, 3 
C) 2, 2 
D) 3, 1 
E) 3, 2

Question 13

Nitrogen is colorless because the minimum energy to excite an electron is in the ultraviolet section of the spectrum.

Accepted Answer

A) True 
 B)False

Question 14

An antibonding π orbital contains a maximum of ________ electrons.

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 6 
E) 8 
A) 1 
B) 2 
C) 4 
D) 6 
E) 8

Question 15

The molecular geometry of the right-most carbon in the molecule below is ________.

Accepted Answer

A) trigonal planar 
B) trigonal bipyramidal 
C) tetrahedral 
D) octahedral 
E) T-shaped 
A) trigonal planar 
B) trigonal bipyramidal 
C) tetrahedral 
D) octahedral 
E) T-shaped

Question 16

In comparing the same two atoms bonded together, the ________ the bond order, the ________ the bond length, and the ________ the bond energy.

Accepted Answer

A) greater, shorter, greater 
B) greater, greater, greater 
C) greater, longer, greater 
D) greater, greater, smaller 
E) smaller, greater, greater 
A) greater, shorter, greater 
B) greater, greater, greater 
C) greater, longer, greater 
D) greater, greater, smaller 
E) smaller, greater, greater

Question 17

There is/are ________ π bond(s)in the molecule below.

Accepted Answer

A) 7 
B) 6 
C) 2 
D) 1 
E) 0 
A) 7 
B) 6 
C) 2 
D) 1 
E) 0

Question 18

Each molecular orbital can accommodate, at most, two electrons with their spins paired. This is called the ________.

Accepted Answer

The answer of Each molecular orbital can accommodate, at most,...

Question 19

The molecular geometry of the BeCl2 molecule is ________, and this molecule is ________.

Accepted Answer

A) bent, nonpolar 
B) linear, polar 
C) bent, polar 
D) seesaw, polar 
E) linear, nonpolar 
A) bent, nonpolar 
B) linear, polar 
C) bent, polar 
D) seesaw, polar 
E) linear, nonpolar

Question 20

The hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule are ________ orbitals.

Accepted Answer

A) sp2 
B) sp3 
C) sp3d 
D) sp3d2 
E) sp 
A) sp2 
B) sp3 
C) sp3d 
D) sp3d2 
E) sp

Exam 9: Molecular Geometry and Bonding Theories

The hybridization of the carbon atom labeled x in the molecule below is ________.

The molecular geometry of ________ is square planar.

The sp3d2 atomic hybrid orbital set accommodates ________ electron domains.

The molecular geometry consists of ________. (a) a nonbonding pair of electrons (b) a single bond (c) a multiple bond

In molecular orbital theory, the σ1s orbital is ________ and the σ1s* orbital is ________ in the He2+ molecule.

According to valence bond theory, which orbitals overlap in the formation of the bond in Br2?

The hybridization of the oxygen atom labeled x in the structure below is ________.

An electron domain consists of ________. (a) a nonbonding pair of electrons (B) a single bond (C) a multiple bond

Using the VSEPR model, the electron-domain geometry of the central atom in XeF4 is ________.

Possible shapes of AB3 molecules are linear, trigonal planar, and T-shaped.

The 1s hydrogen orbital overlaps with the ________ iodine orbital in HI.

The central atom in the O3 molecule has ________ nonbonded electron pair(s)and ________ bonded electron pair(s)in its valence shell.

Nitrogen is colorless because the minimum energy to excite an electron is in the ultraviolet section of the spectrum.

An antibonding π orbital contains a maximum of ________ electrons.

The molecular geometry of the right-most carbon in the molecule below is ________.

In comparing the same two atoms bonded together, the ________ the bond order, the ________ the bond length, and the ________ the bond energy.

There is/are ________ π bond(s)in the molecule below.

Each molecular orbital can accommodate, at most, two electrons with their spins paired. This is called the ________.

The molecular geometry of the BeCl2 molecule is ________, and this molecule is ________.

The hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule are ________ orbitals.

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

Basic Concepts of Chemical Bonding

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

The sp³d² atomic hybrid orbital set accommodates ________ electron domains.

In molecular orbital theory, the σ_1s orbital is ________ and the σ_1s^* orbital is ________ in the He₂⁺ molecule.

According to valence bond theory, which orbitals overlap in the formation of the bond in Br₂?

Using the VSEPR model, the electron-domain geometry of the central atom in XeF₄ is ________.

Possible shapes of AB₃ molecules are linear, trigonal planar, and T-shaped.

The central atom in the O₃ molecule has nonbonded electron pair(s)and bonded electron pair(s)in its valence shell.

In comparing the same two atoms bonded together, the the bond order, the the bond length, and the the bond energy.

The molecular geometry of the BeCl₂ molecule is , and this molecule is .

The hybrid orbitals used for bonding by Xe in the unstable XeF₂ molecule are ________ orbitals.