Question 1

The bond angles of a tetrahedron are 120 degrees.

Accepted Answer

A) True 
 B)False  False

Question 2

Halogens tend to form anions that are larger than the neutral atom.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following has the largest ionic radius?

Accepted Answer

A)  Al3+ 
B)  I −  
C)  S 
D)  K+ 
A)  Al3+ 
B)  I −  
C)  S 
D)  K+ B

Question 4

Which of the following compounds illustrates sp3 hybridization?

Accepted Answer

A)  C2H4 
B)  CH4 
C)  C2H2 
D)  V2O5 
A)  C2H4 
B)  CH4 
C)  C2H2 
D)  V2O5

Question 5

The valence shell electron pair repulsion (VSEPR) theory states that molecules assume a shape that minimizes the repulsion between electron pairs and bonded atoms in the valence shell of the central atom.

Accepted Answer

A) True 
 B)False

Question 6

The attraction of an atom for the electrons in a covalent bond is referred to as ionization energy.

Accepted Answer

A) True 
 B)False

Question 7

In order to achieve an electron configuration that is isoelectric with a noble gas, non-metals tend to:

Accepted Answer

A)  gain electrons 
B)  lose electrons 
C)  form stable free radicals 
D)  both gain electrons and form stable free radicals 
A)  gain electrons 
B)  lose electrons 
C)  form stable free radicals 
D)  both gain electrons and form stable free radicals

Question 8

Consider the formation of ammonia. Using VSEPR, which molecule shape best describes the shape of the molecule?

Accepted Answer

A)  octahedral 
B)  square planar 
C)  trigonal planar 
D)  trigonal pyramidal 
A)  octahedral 
B)  square planar 
C)  trigonal planar 
D)  trigonal pyramidal

Question 9

Which of the following has the largest radius?

Accepted Answer

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

Question 10

Which of the following molecules is non-polar?

Accepted Answer

A)  KI 
B)  C2H6 
C)  Ce(NO3)3 
D)  H2O 
A)  KI 
B)  C2H6 
C)  Ce(NO3)3 
D)  H2O

Question 11

Multiple bonding results from the sharing of more than one electron pair. An example of this phenomenon is the double bond. In this case, the second bond is characterized as:

Accepted Answer

A)  a second single bond 
B)  a plasmodic state 
C)  a sigma bond 
D)  a pi bond 
A)  a second single bond 
B)  a plasmodic state 
C)  a sigma bond 
D)  a pi bond

Question 12

Widely separated atoms do not interact, but will reach an optimal separation distance called the bond distance and form a bond.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following has the largest radius?

Accepted Answer

A)  Na 
B)  K+ 
C)  Rb 
D)  Cs+ 
A)  Na 
B)  K+ 
C)  Rb 
D)  Cs+

Question 14

The correct symbol for chloride is:

Accepted Answer

A)  Cl −  
B)  Cl2 
C)  Cl22 −  
D)  Cl2 −  
A)  Cl −  
B)  Cl2 
C)  Cl22 −  
D)  Cl2 −

Question 15

In a pi bond the overlap of s-orbitals is responsible for the formation of the pi-bond..

Accepted Answer

A) True 
 B)False

Question 16

The rubidium cation has a correct charge of:

Accepted Answer

A)  3+ 
B)  2+ 
C)  1 − 
D)  1+ 
A)  3+ 
B)  2+ 
C)  1 − 
D)  1+

Question 17

Which of the following electron configurations belongs to an atom that is most likely to be involved in an ionic bond?

Accepted Answer

A)  1s22s22p63s2 
B)  1s22s22p6 
C)  1s22s22p63s23p3 
D)  1s22s22p63s23p6 
A)  1s22s22p63s2 
B)  1s22s22p6 
C)  1s22s22p63s23p3 
D)  1s22s22p63s23p6

Question 18

What is the molecular geometry of PCl3

Accepted Answer

A)  trigonal pyramidal 
B)  see-saw 
C)  tetrahedral 
D)  T-shape 
A)  trigonal pyramidal 
B)  see-saw 
C)  tetrahedral 
D)  T-shape

Question 19

Which of the following electron configurations belongs to an atom that is most likely to be involved in a covalent bond?

Accepted Answer

A)  1s22s22p63s2 
B)  1s22s22p6 
C)  1s22s22p63s23p3 
D)  1s22s22p63s23p6 
A)  1s22s22p63s2 
B)  1s22s22p6 
C)  1s22s22p63s23p3 
D)  1s22s22p63s23p6

Question 20

Which of the following atoms is likely to be involved in an ionic bond?

Accepted Answer

A)  He 
B)  Na 
C)  Si 
D)  P 
A)  He 
B)  Na 
C)  Si 
D)  P

The bond angles of a tetrahedron are 120 degrees.

Halogens tend to form anions that are larger than the neutral atom.

Which of the following has the largest ionic radius?

Which of the following compounds illustrates sp³ hybridization?

The valence shell electron pair repulsion (VSEPR) theory states that molecules assume a shape that minimizes the repulsion between electron pairs and bonded atoms in the valence shell of the central atom.

The attraction of an atom for the electrons in a covalent bond is referred to as ionization energy.

In order to achieve an electron configuration that is isoelectric with a noble gas, non-metals tend to:

Consider the formation of ammonia. Using VSEPR, which molecule shape best describes the shape of the molecule?

Which of the following has the largest radius?

Which of the following molecules is non-polar?

Multiple bonding results from the sharing of more than one electron pair. An example of this phenomenon is the double bond. In this case, the second bond is characterized as:

Widely separated atoms do not interact, but will reach an optimal separation distance called the bond distance and form a bond.

Which of the following has the largest radius?

The correct symbol for chloride is:

In a pi bond the overlap of s-orbitals is responsible for the formation of the pi-bond..

The rubidium cation has a correct charge of:

Which of the following electron configurations belongs to an atom that is most likely to be involved in an ionic bond?

What is the molecular geometry of PCl₃

Which of the following electron configurations belongs to an atom that is most likely to be involved in a covalent bond?

Which of the following atoms is likely to be involved in an ionic bond?

Introduction to Chemistry

Atoms and Molecules

Molecules Moles Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

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Exam 7: Chemical Bonding and Molecular Structure

The bond angles of a tetrahedron are 120 degrees.

Halogens tend to form anions that are larger than the neutral atom.

Which of the following has the largest ionic radius?

Which of the following compounds illustrates sp3 hybridization?

The valence shell electron pair repulsion (VSEPR) theory states that molecules assume a shape that minimizes the repulsion between electron pairs and bonded atoms in the valence shell of the central atom.

The attraction of an atom for the electrons in a covalent bond is referred to as ionization energy.

In order to achieve an electron configuration that is isoelectric with a noble gas, non-metals tend to:

Consider the formation of ammonia. Using VSEPR, which molecule shape best describes the shape of the molecule?

Which of the following has the largest radius?

Which of the following molecules is non-polar?

Multiple bonding results from the sharing of more than one electron pair. An example of this phenomenon is the double bond. In this case, the second bond is characterized as:

Widely separated atoms do not interact, but will reach an optimal separation distance called the bond distance and form a bond.

Which of the following has the largest radius?

The correct symbol for chloride is:

In a pi bond the overlap of s-orbitals is responsible for the formation of the pi-bond..

The rubidium cation has a correct charge of:

Which of the following electron configurations belongs to an atom that is most likely to be involved in an ionic bond?

What is the molecular geometry of PCl3

Which of the following electron configurations belongs to an atom that is most likely to be involved in a covalent bond?

Which of the following atoms is likely to be involved in an ionic bond?

Introduction to Chemistry

Atoms and Molecules

Molecules Moles Chemical Equations

Stoichiometry

Gases

The Periodic Table and Atomic Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Filters

Which of the following compounds illustrates sp³ hybridization?

What is the molecular geometry of PCl₃