Question 1

What is the molecular geometry of N Cl3?

Accepted Answer

A) T-shaped 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal 
A) T-shaped 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal

Question 2

What is the geometry around the central atom in the following molecular model of NH4+?

Accepted Answer

A) linear 
B) bent 
C) trigonal pyramidal 
D) tetrahedral 
A) linear 
B) bent 
C) trigonal pyramidal 
D) tetrahedral

Question 3

What are the bond angles in the following molecular model of SF6?

Accepted Answer

A) some less than 90° and some less than 120° but greater than 90° 
B) 90° and 120° 
C) some less than 90° and some less than 180° but greater than 120° 
D) 90° and 180° 
A) some less than 90° and some less than 120° but greater than 90° 
B) 90° and 120° 
C) some less than 90° and some less than 180° but greater than 120° 
D) 90° and 180°

Question 4

Shown below is a model of SiCl4 having an orientation in which one or more atoms are hidden from view.What is the indicated bond angle?

Accepted Answer

A) less than 109.5° 
B) 109.5° 
C) less than 120° but greater than 109.5° 
D) 120° 
A) less than 109.5° 
B) 109.5° 
C) less than 120° but greater than 109.5° 
D) 120°

Question 5

Which compound is most likely to exist as a gas at room temperature?

Accepted Answer

The answer of Which compound is most likely to exist...

Question 6

The following ball-and-stick molecular model is a representation of the amino acid alanine (unshaded spheres = H).Only the connections between atoms are shown;multiple bonds and nonbonded electrons are not indicated.  
-In order to complete an electron-dot structure of alanine,the oxygen atom labeled O2 needs

Accepted Answer

A) 1 additional bond and 1 nonbonded pair of electrons. 
B) 1 additional bond and 2 nonbonded pairs of electrons. 
C) 1 nonbonded pair of electrons. 
D) 2 nonbonded pairs of electrons. 
A) 1 additional bond and 1 nonbonded pair of electrons. 
B) 1 additional bond and 2 nonbonded pairs of electrons. 
C) 1 nonbonded pair of electrons. 
D) 2 nonbonded pairs of electrons.

Question 7

Which molecular orbitals for homonuclear diatomic molecules are degenerate?

Accepted Answer

A) π molecular orbitals 
B) σ molecular orbitals 
C) π molecular orbitals and σ molecular orbitals 
D) neither π molecular orbitals nor σ molecular orbitals 
A) π molecular orbitals 
B) σ molecular orbitals 
C) π molecular orbitals and σ molecular orbitals 
D) neither π molecular orbitals nor σ molecular orbitals

Question 8

What is the hybridization on the N atom in NO2- and in NO3-?

Accepted Answer

A) sp2 for NO2- and sp3 for NO3- 
B) sp3 for NO2- and sp2 for NO3- 
C) sp for NO2- and sp2 for NO3- 
D) sp2 for both 
A) sp2 for NO2- and sp3 for NO3- 
B) sp3 for NO2- and sp2 for NO3- 
C) sp for NO2- and sp2 for NO3- 
D) sp2 for both

Question 9

Of XeF2 and XeF4,the one with the smaller bond angles is ________.

Accepted Answer

Question 10

What is the hybridization of the carbon atom labeled C3?

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) None of these 
A) sp 
B) sp2 
C) sp3 
D) None of these

Question 11

Based on formal charges,what is the S-O bond order in SO42-?

Accepted Answer

A) 1 
B) 1)3 
C) 1)5 
D) 2 
A) 1 
B) 1)3 
C) 1)5 
D) 2

Question 12

What is the geometry around the central atom in the following molecular model of CCl4?

Accepted Answer

A) linear 
B) bent 
C) trigonal pyramidal 
D) tetrahedral 
A) linear 
B) bent 
C) trigonal pyramidal 
D) tetrahedral

What is the molecular geometry of N Cl₃?

What is the geometry around the central atom in the following molecular model of NH₄⁺?

What are the bond angles in the following molecular model of SF₆?

Shown below is a model of SiCl₄ having an orientation in which one or more atoms are hidden from view.What is the indicated bond angle?

Which compound is most likely to exist as a gas at room temperature?

Which molecular orbitals for homonuclear diatomic molecules are degenerate?

What is the hybridization on the N atom in NO₂^- and in NO₃^-?

Of XeF₂and XeF_4,the one with the smaller bond angles is ________.

What is the hybridization of the carbon atom labeled C₃?

Based on formal charges,what is the S-O bond order in SO₄^2-?

What is the geometry around the central atom in the following molecular model of CCl₄?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

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Exam 7: Covalent Bonds and Molecular Structure

What is the molecular geometry of N Cl3?

What is the geometry around the central atom in the following molecular model of NH4+?

What are the bond angles in the following molecular model of SF6?

Shown below is a model of SiCl4 having an orientation in which one or more atoms are hidden from view.What is the indicated bond angle?

Which compound is most likely to exist as a gas at room temperature?

Which molecular orbitals for homonuclear diatomic molecules are degenerate?

What is the hybridization on the N atom in NO2- and in NO3-?

Of XeF2 and XeF4,the one with the smaller bond angles is ________.

What is the hybridization of the carbon atom labeled C3?

Based on formal charges,what is the S-O bond order in SO42-?

What is the geometry around the central atom in the following molecular model of CCl4?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

What is the molecular geometry of N Cl₃?

What is the geometry around the central atom in the following molecular model of NH₄⁺?

What are the bond angles in the following molecular model of SF₆?

Shown below is a model of SiCl₄ having an orientation in which one or more atoms are hidden from view.What is the indicated bond angle?

What is the hybridization on the N atom in NO₂^- and in NO₃^-?

Of XeF₂and XeF_4,the one with the smaller bond angles is ________.

What is the hybridization of the carbon atom labeled C₃?

Based on formal charges,what is the S-O bond order in SO₄^2-?

What is the geometry around the central atom in the following molecular model of CCl₄?