Question 1

The molecular structure of AsCl5 is

Accepted Answer

A)  trigonal bipyramidal
B)  square pyramidal
C)  distorted tetrahedral
D)  octahedral
E)  none of theseF) B) and E)
G) A) and D)

Question 2

Which of the following is the correct order for molecules from most to least polar?

Accepted Answer

A)  CH4 > CF2Cl2 > CF2H2 > CCl4 > CCl2H2
B)  CH4 > CF2H2 > CF2Cl2 > CCl4 > CCl2H2
C)  CF2Cl2 > CF2H2 > CCl2H2 > CH4 = CCl4
D)  CF2H2 > CCl2H2 > CF2Cl2 > CH4 = CCl4
E)  CF2Cl2 > CF2H2 > CCl4 > CCl2H2 > CH4F) A) and C)
G) B) and E)

Question 3

Select the correct molecular structure for the given species from the choices below:
-PF5

Accepted Answer

A)  linear
B)  trigonal planar
C)  tetrahedral
D)  bent
E)  none of theseF) B) and E)
G) B) and D)

Question 4

For the elements Cs,F,and P,the order of increasing electronegativity is:

Accepted Answer

A)  Cs 
B)  Cs 
C)  P 
D)  F 
E)  none of theseF) B) and C)
G) B) and E)

Question 5

Choose the electron dot formula that most accurately describes the bonding in CS2.(Hint: Consider formal charges. )

Accepted Answer

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G) A) and E)

Question 6

Which of the following is not a valid resonance structure for N3-?

Accepted Answer

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G) A) and C)

Question 7

Consider the following molecules.
I.BF3
II.CHBr3 (C is the central atom) 
III.Br2
IV.XeCl2
V.CO
VI.SF4
Select the molecule(s) that fit the given statement.
-These molecules have a trigonal bipyramidal electron pair arrangement.

Accepted Answer

A)  II,IV,VI
B)  I,IV
C)  IV,VI
D)  VI only
E)  none of themF) B) and D)
G) A) and D)

Question 8

In which pair do both compounds exhibit predominantly ionic bonding?

Accepted Answer

A)  SCl6 and HF
B)  Na2SO3 and NH3
C)  KI and O3
D)  LiF and H2O
E)  LiBr and MgOF) A) and B)
G) C) and D)

Question 9

Which of the following ionic compounds has the largest lattice energy (i.e. ,the lattice energy most favorable to a stable lattice) ?

Accepted Answer

A)  BaO
B)  BeO
C)  CsI
D)  NaBr
E)  BaSF) A) and D)
G) All of the above

Question 10

Atoms having equal or nearly equal electronegativities are expected to form

Accepted Answer

A)  no bonds
B)  polar covalent bonds
C)  nonpolar covalent bonds
D)  ionic bonds
E)  covalent bondsF) A) and B)
G) None of the above

Question 11

Given the following Lewis structure: 
-How many unshared pairs of electrons are present in this molecule?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4F) A) and E)
G) B) and C)

Question 12

Draw the Lewis structures of the molecules below and use them to answer the following questions:
I.BH3
II.NO2
III.SF6
IV.O3
V.PCl5
-Which of these molecules show resonance?

Accepted Answer

A)  I,II
B)  II,IV
C)  II,V
D)  III,IV
E)  III,VF) B) and C)
G) A) and B)

Question 13

For each of the following compounds:
a)Draw the Lewis structure.
b)Give the shape of the molecule.
c)Indicate the polarity of the molecule.
-NH3

Accepted Answer

Part A: <img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> P...

Question 14

Atoms with greatly different electronegativity values are expected to form

Accepted Answer

A)  no bonds
B)  covalent bonds
C)  triple bonds
D)  ionic bonds
E)  none of theseF) B) and E)
G) B) and D)

Question 15

Select the correct molecular structure for the given species from the choices below:
-BeCl2

Accepted Answer

A)  linear
B)  trigonal planar
C)  tetrahedral
D)  bent
E)  none of theseF) A) and C)
G) B) and D)

Question 16

Which of the following species is best described by drawing resonance structures?

Accepted Answer

A)  PH3
B)  NH4+
C)  O3
D)  SO3
E)  HCNF) A) and C)
G) B) and E)

Question 17

In the Lewis structure for elemental nitrogen there is (are)

Accepted Answer

A)  a single bond between the nitrogens
B)  a double bond between the nitrogens
C)  a triple bond between the nitrogens
D)  three unpaired electrons
E)  none of the aboveF) C) and D)
G) B) and E)

Question 18

Select the correct molecular structure for the given species from the choices below:
-ClO2

Accepted Answer

A)  pyramidal
B)  tetrahedral
C)  square planar
D)  octahedral
E)  none of theseF) None of the above
G) C) and E)

Question 19

Which of the following molecules contains a double bond?

Accepted Answer

A)  CO2
B)  NH3
C)  H2O
D)  all
E)  noneF) A) and E)
G) A) and D)

Question 20

Which of the following types of molecules always has a dipole moment?

Accepted Answer

A)  Linear molecules with two identical bonds.
B)  Tetrahedral molecules (four identical bonds equally spaced) .
C)  Trigonal pyramid molecules (three identical bonds) .
D)  Trigonal planar molecules (three identical bonds equally spaced) .
E)  None has a dipole moment.F) A) and C)
G) B) and C)

Exam 8: Bonding: General Concepts

Atoms having equal or nearly equal electronegativities are expected to form

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Atoms with greatly different electronegativity values are expected to form

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Which of the following is not a valid resonance structure for N3-?

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For the elements Cs,F,and P,the order of increasing electronegativity is:

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Choose the electron dot formula that most accurately describes the bonding in CS2.(Hint: Consider formal charges. )

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Select the correct molecular structure for the given species from the choices below: -PF5

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The molecular structure of AsCl5 is

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Select the correct molecular structure for the given species from the choices below: -BeCl2

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Given the following Lewis structure: -How many unshared pairs of electrons are present in this molecule?

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Consider the following molecules. I.BF3 II.CHBr3 (C is the central atom) III.Br2 IV.XeCl2 V.CO VI.SF4 Select the molecule(s) that fit the given statement. -These molecules have a trigonal bipyramidal electron pair arrangement.

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Which of the following molecules contains a double bond?

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Draw the Lewis structures of the molecules below and use them to answer the following questions: I.BH3 II.NO2 III.SF6 IV.O3 V.PCl5 -Which of these molecules show resonance?

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Which of the following is the correct order for molecules from most to least polar?

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In which pair do both compounds exhibit predominantly ionic bonding?

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Which of the following ionic compounds has the largest lattice energy (i.e. ,the lattice energy most favorable to a stable lattice) ?

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Select the correct molecular structure for the given species from the choices below: -ClO2

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Which of the following types of molecules always has a dipole moment?

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For each of the following compounds: a)Draw the Lewis structure. b)Give the shape of the molecule. c)Indicate the polarity of the molecule. -NH3

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In the Lewis structure for elemental nitrogen there is (are)

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Which of the following species is best described by drawing resonance structures?

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Which of the following is not a valid resonance structure for N₃^-?

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Choose the electron dot formula that most accurately describes the bonding in CS₂.(Hint: Consider formal charges. )

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Select the correct molecular structure for the given species from the choices below: -PF₅

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The molecular structure of AsCl₅ is

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Select the correct molecular structure for the given species from the choices below: -BeCl₂

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Consider the following molecules. I.BF₃ II.CHBr₃ (C is the central atom) III.Br₂ IV.XeCl₂ V.CO VI.SF₄ Select the molecule(s) that fit the given statement. -These molecules have a trigonal bipyramidal electron pair arrangement.

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Draw the Lewis structures of the molecules below and use them to answer the following questions: I.BH₃ II.NO₂ III.SF₆ IV.O₃ V.PCl₅ -Which of these molecules show resonance?

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Select the correct molecular structure for the given species from the choices below: -ClO₂

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For each of the following compounds: a)Draw the Lewis structure. b)Give the shape of the molecule. c)Indicate the polarity of the molecule. -NH₃

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Part A: P...
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