Question 1

Hydridotributyltin, SnH(CH2CH2CH2CH3) 3, is used in chemical syntheses. How many atoms in this molecule have tetrahedral geometry?

Accepted Answer

A)   5
B)   7
C)   9
D)   13
E)   15F) C) and D)
G) A) and C)

Question 2

How many valence electrons are in the phosphate ion, PO4-3?

Accepted Answer

A)   12
B)   24
C)   28
D)   32
E)   36F) B) and D)
G) C) and E)

Question 3

Which of the following ranks the atoms in order of increasing electronegativity?

Accepted Answer

A)   F, Cl, O, C, Br
B)   C, Br, Cl, O, F
C)   F, O, Cl, Br, C
D)   C, Br, O, Cl, F
E)   C, O, Br, Cl, FF) A) and E)
G) B) and C)

Question 4

Hydrogen sulphide has the formula H2S. Write the Lewis structure and state the structure of the inner atoms.

Accepted Answer

Question 5

Recognize the importance of the tetrahedral shape in molecules.

Accepted Answer

An electron group can be two electrons i...

Question 6

Which of the molecules, NH3 or PH3, should have the stronger bond and explain why.

Accepted Answer

The smaller central atom is N,...

Question 7

Draw the Lewis structure of dichlorodifluoromethane, CF2Cl2.

Accepted Answer

Question 8

Which of the following bonds is the least polar, but is still slightly polar?

Accepted Answer

A)   Li-F
B)   Fe-O
C)   Br-I
D)   C-C
E)   C-IF) A) and E)
G) C) and E)

Question 9

Which is the strongest weakest?

Accepted Answer

A)   P - P
B)   P - F
C)   P - Cl
D)   P - Br
E)   P - IF) D) and E)
G) A) and E)

Question 10

What is the molecular shape of the oxyanions of chlorine: ClO-, ClO2-, ClO3- and ClO4-?

Accepted Answer

A)   bent, bent, trigonal planar, tetrahedral
B)   linear, linear, trigonal planar, tetrahedral
C)   linear, bent, trigonal planar, tetrahedral
D)   linear, bent, trigonal pyramidal, tetrahedral
E)   linear, linear, trigonal pyramidal, tetrahedralF) A) and D)
G) C) and D)

Question 11

Draw a picture showing the interaction of the valence orbitals of lithium atoms in the formation of Li2.

Accepted Answer

Question 12

Write the Lewis structure and state the molecular structure of the inner atoms for N2O4.

Accepted Answer

trigonal...

Question 13

What are the approximate bond angles in 1,2 dichloroethene?

Accepted Answer

A)   109.5
B)   90
C)   120
D)   115
E)   100F) A) and C)
G) C) and D)

Question 14

Draw Lewis structure of KF2.

Accepted Answer

Question 15

Is the oxygen - oxygen bond longer in molecular oxygen, O2 or ozone, O3? Explain.

Accepted Answer

Molecular oxygen, O₂, this is a...

Question 16

Draw a ball and stick model that shows the structure of methylamine, H3CNH2.

Accepted Answer

Question 17

Sketch the overlap of the valance orbitals in HF.

Accepted Answer

The answer of Sketch the overlap of the valance orbitals...

Question 18

Which of the following will have a dipole moment?

Accepted Answer

A)   SF6
B)   CH4
C)   XeF4
D)   PH3
E)   C2H6F) A) and D)
G) A) and B)

Question 19

Arrange the following in order of increasing electronegativity, C, O, F, Br, Ca.

Accepted Answer

A)   C 
B)   Ca 
C)   Ca 
D)   Ca 
E)   Ca F) A) and B)
G) None of the above

Question 20

Draw the Lewis structure and state the structure of the inner atoms for ClF3.

Accepted Answer

Exam 6: Fundamentals of Chemical Bonding

Draw a ball and stick model that shows the structure of methylamine, H3CNH2.

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Hydridotributyltin, SnH(CH2CH2CH2CH3) 3, is used in chemical syntheses. How many atoms in this molecule have tetrahedral geometry?

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What is the molecular shape of the oxyanions of chlorine: ClO-, ClO2-, ClO3- and ClO4-?

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Arrange the following in order of increasing electronegativity, C, O, F, Br, Ca.

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Draw Lewis structure of KF2.

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Which of the following will have a dipole moment?

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Which of the following bonds is the least polar, but is still slightly polar?

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Is the oxygen - oxygen bond longer in molecular oxygen, O2 or ozone, O3? Explain.

Correct AnswerverifiedMolecular oxygen, O2, this is a...View AnswerShow Answer

What are the approximate bond angles in 1,2 dichloroethene?

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How many valence electrons are in the phosphate ion, PO4-3?

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Which is the strongest weakest?

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Sketch the overlap of the valance orbitals in HF.

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Which of the molecules, NH3 or PH3, should have the stronger bond and explain why.

Correct AnswerverifiedThe smaller central atom is N,...View AnswerShow Answer

Which of the following ranks the atoms in order of increasing electronegativity?

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Write the Lewis structure and state the molecular structure of the inner atoms for N2O4.

Correct Answerverified trigonal...View AnswerShow Answer

Recognize the importance of the tetrahedral shape in molecules.

Correct AnswerverifiedAn electron group can be two electrons i...View AnswerShow Answer

Draw a picture showing the interaction of the valence orbitals of lithium atoms in the formation of Li2.

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Draw the Lewis structure of dichlorodifluoromethane, CF2Cl2.

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Draw the Lewis structure and state the structure of the inner atoms for ClF3.

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Hydrogen sulphide has the formula H2S. Write the Lewis structure and state the structure of the inner atoms.

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Draw a ball and stick model that shows the structure of methylamine, H₃CNH₂.

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Hydridotributyltin, SnH(CH₂CH₂CH₂CH₃) ₃, is used in chemical syntheses. How many atoms in this molecule have tetrahedral geometry?

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What is the molecular shape of the oxyanions of chlorine: ClO^-, ClO₂^-, ClO₃^- and ClO₄^-?

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Draw Lewis structure of KF₂.

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Is the oxygen - oxygen bond longer in molecular oxygen, O₂ or ozone, O₃? Explain.

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Molecular oxygen, O₂, this is a...
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How many valence electrons are in the phosphate ion, PO₄^-3?

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Which of the molecules, NH₃or PH₃, should have the stronger bond and explain why.

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The smaller central atom is N,...
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Write the Lewis structure and state the molecular structure of the inner atoms for N₂O₄.

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trigonal...
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An electron group can be two electrons i...
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Draw a picture showing the interaction of the valence orbitals of lithium atoms in the formation of Li₂.

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Draw the Lewis structure of dichlorodifluoromethane, CF₂Cl₂.

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Draw the Lewis structure and state the structure of the inner atoms for ClF₃.

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Hydrogen sulphide has the formula H₂S. Write the Lewis structure and state the structure of the inner atoms.

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