Question 1

What can you change when drawing resonance structures?

Accepted Answer

A)   total number of bonds
B)   total number atoms
C)   total number of electrons
D)   total number of protons
E)   nature of the bondsF) A) and B)
G) A) and C)

Question 2

What are the steric number and shape of thionyl chloride, SOCl2?

Accepted Answer

A)   3, trigonal planar
B)   3, trigonal pyramidal
C)   4, trigonal pyramidal
D)   4, square pyramidal
E)   4, tetrahedralF) B) and E)
G) A) and B)

Question 3

How many ligands are around the nitrogen atom in the molecule methylamine, CH3NH2?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) B) and C)
G) A) and E)

Question 4

Draw the two structural isomers of C2H3Cl3.

Accepted Answer

Question 5

How many valence electrons are there in the MnO4-?

Accepted Answer

A)   24
B)   32
C)   30
D)   28
E)   31F) A) and C)
G) A) and B) B

Question 6

Use the VSEPR model to predict the shapes of molecules with steric numbers 2, 3, 5, and 6.

Accepted Answer

The Valence Shell Electron Pair Repulsio...

Question 7

Dimethyl hydrazine, (CH3) 2N-NH2, is a liquid at room temperature. How many atoms in this molecule have tetrahedral geometry?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) D) and E)
G) B) and D)

Question 8

Which of the following molecules has a dipole moment?

Accepted Answer

A)   SiCl4
B)   AlI3
C)   TeCl4
D)   PCl5
E)   CO2F) A) and E)
G) D) and E)

Question 9

Which of the following is the most important component of formation of a H-Br bond?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) A) and C)

Question 10

Draw the Lewis structure and determine the formal charge on the central atom for BF5.

Accepted Answer

, the

three

lon...

Question 11

Which of the following will not have a dipole moment?

Accepted Answer

A)   H2O
B)   H2CO
C)   CH3OH
D)   SF6
E)   SF4F) B) and E)
G) All of the above D

Question 12

Write the Lewis structure and state the molecular structure of the inner atoms for AlCl3.

Accepted Answer

Question 13

Use the concept of electronegativity to determine the polarity of a chemical bond.

Accepted Answer

A covalent bond arises from th...

Question 14

Which of the following bonds is ionic?

Accepted Answer

A)   Li-F
B)   Cu-Zn
C)   Br-I
D)   C-Cl
E)   C-OF) B) and D)
G) None of the above A

Question 15

Which of the following does not have a steric number of 4?

Accepted Answer

A)   water
B)   methane
C)   ammonia
D)   carbon dioxide
E)   hydronium ionF) C) and D)
G) A) and B)

Question 16

Which of the following bonds is polar covalent?

Accepted Answer

A)   LiF
B)   Cl-Cl
C)   Br-I
D)   C-Cl
E)   LiClF) A) and B)
G) B) and C)

Question 17

Draw the Lewis structure of ionic compound sodium sulphite, Na2SO3.

Accepted Answer

Question 18

What are the formal charges on the atoms in the following Lewis structure for HNO3? 3?   A)  1; 0; 0; 0; -1 B)  0; 0; 1; 0; -1 C)  1; 0; 1; 0; -2 D)  0; 0; 0; 0; 0 E)  0; 0; 0; 1; -1" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1; 0; 0; 0; -1
B)   0; 0; 1; 0; -1
C)   1; 0; 1; 0; -2
D)   0; 0; 0; 0; 0
E)   0; 0; 0; 1; -1F) A) and C)
G) B) and D)

Question 19

Draw the Lewis structure of methylamine, H3C-NH2.

Accepted Answer

Question 20

How many valence electrons are in the molecule acetic acid, CH3CO2H?

Accepted Answer

A)   8
B)   12
C)   16
D)   20
E)   24F) All of the above
G) A) and D)

Exam 6: Fundamentals of Chemical Bonding

What can you change when drawing resonance structures?

Correct AnswerverifiedShow Answer

What are the steric number and shape of thionyl chloride, SOCl2?

Correct AnswerverifiedShow Answer

How many ligands are around the nitrogen atom in the molecule methylamine, CH3NH2?

Correct AnswerverifiedShow Answer

Draw the two structural isomers of C2H3Cl3.

Correct AnswerverifiedShow Answer

How many valence electrons are there in the MnO4-?

Correct AnswerverifiedB

Use the VSEPR model to predict the shapes of molecules with steric numbers 2, 3, 5, and 6.

Correct AnswerAnswered by ExamLex AIThe Valence Shell Electron Pair Repulsio...View AnswerShow Answer

Dimethyl hydrazine, (CH3) 2N-NH2, is a liquid at room temperature. How many atoms in this molecule have tetrahedral geometry?

Correct AnswerverifiedShow Answer

Which of the following molecules has a dipole moment?

Correct AnswerverifiedShow Answer

Which of the following is the most important component of formation of a H-Br bond?

Correct AnswerverifiedShow Answer

Draw the Lewis structure and determine the formal charge on the central atom for BF5.

Correct Answerverified, the three lon...View AnswerShow Answer

Which of the following will not have a dipole moment?

Correct AnswerverifiedD

Write the Lewis structure and state the molecular structure of the inner atoms for AlCl3.

Correct AnswerverifiedShow Answer

Use the concept of electronegativity to determine the polarity of a chemical bond.

Correct AnswerverifiedA covalent bond arises from th...View AnswerShow Answer

Which of the following bonds is ionic?

Correct AnswerverifiedA

Which of the following does not have a steric number of 4?

Correct AnswerverifiedShow Answer

Which of the following bonds is polar covalent?

Correct AnswerverifiedShow Answer

Draw the Lewis structure of ionic compound sodium sulphite, Na2SO3.

Correct AnswerverifiedShow Answer

What are the formal charges on the atoms in the following Lewis structure for HNO3?

Correct AnswerverifiedShow Answer

Draw the Lewis structure of methylamine, H3C-NH2.

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How many valence electrons are in the molecule acetic acid, CH3CO2H?

Correct AnswerverifiedShow Answer

Correct Answer
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What are the steric number and shape of thionyl chloride, SOCl₂?

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How many ligands are around the nitrogen atom in the molecule methylamine, CH₃NH₂?

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Draw the two structural isomers of C₂H₃Cl₃.

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How many valence electrons are there in the MnO₄^-?

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B

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The Valence Shell Electron Pair Repulsio...
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Dimethyl hydrazine, (CH₃) ₂N-NH₂, is a liquid at room temperature. How many atoms in this molecule have tetrahedral geometry?

Correct Answer
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Draw the Lewis structure and determine the formal charge on the central atom for BF₅.

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, the
three

lon...
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D

Write the Lewis structure and state the molecular structure of the inner atoms for AlCl₃.

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A covalent bond arises from th...
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A

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Draw the Lewis structure of ionic compound sodium sulphite, Na₂SO₃.

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What are the formal charges on the atoms in the following Lewis structure for HNO₃?

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Draw the Lewis structure of methylamine, H₃C-NH₂.

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How many valence electrons are in the molecule acetic acid, CH₃CO₂H?

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