Exam 4: Covalent Compounds

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A diatomic molecule contains ________. I. atoms of two different elements bonded together with a covalent bond II. two atoms of the same element bonded together with a covalent bond III. two lone pairs of electrons

(Multiple Choice)

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Question 81

What is the Lewis structure for chloroethylene (C₂H₃Cl)?

(Multiple Choice)

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Question 82

A bond formed between the elements hydrogen and bromine would be considered an ionic bond.

(True/False)

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Question 83

Atoms with seven valence electrons typically form one covalent bond.

(True/False)

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Question 84

A molecule is a discrete group of atoms held together by covalent bonds.

(True/False)

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Question 85

A double bond is counted as two groups in the valence shell electron pair repulsion (VSEPR)theory.

(True/False)

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Question 86

The molecule below is a polar molecule.

(True/False)

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Question 87

A bond between a carbon atom and a nitrogen atom is a polar covalent bond.

(True/False)

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Question 88

Which compound has the greatest number of valence electrons?

(Multiple Choice)

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Question 89

Estimate the bond angles around the sulfur atom in the structure shown below.

(Multiple Choice)

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Question 90

The symbol δ^- is given to the more electronegative atom in a polar bond.

(True/False)

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Question 91

In general,a ________ bond will be one in which the electronegativity difference between two atoms is 0.5 units or greater.

(Short Answer)

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Question 92

Which atom has the lowest electronegativity?

(Multiple Choice)

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Question 93

The structures shown below are resonance structures of sulfur dioxide. and

(True/False)

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Question 94

The covalent bond between chlorine and iodine is a polar one. Which of the following properly represents the direction of polarity in this bond?

(Multiple Choice)

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Question 95

In the Lewis structure of a molecule,oxygen atoms typically have ________ lone pair(s)of electrons.

(Short Answer)

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Question 96

What is the chemical formula for the following Lewis structure?

(Short Answer)

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Question 97

Aspartic acid is an amino acid used to synthesize proteins. There are ________ atoms with a trigonal planar geometry in the aspartic acid structure shown here.

(Multiple Choice)

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Question 98

Which bond has the polarity incorrectly labeled?

(Multiple Choice)

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Question 99

Which of the following compounds is not classified as covalent?

(Multiple Choice)

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Question 100

Showing 81 - 100 of 101

Exam 4: Covalent Compounds

A diatomic molecule contains ________. I. atoms of two different elements bonded together with a covalent bond II. two atoms of the same element bonded together with a covalent bond III. two lone pairs of electrons

What is the Lewis structure for chloroethylene (C2H3Cl)?

A bond formed between the elements hydrogen and bromine would be considered an ionic bond.

Atoms with seven valence electrons typically form one covalent bond.

A molecule is a discrete group of atoms held together by covalent bonds.

A double bond is counted as two groups in the valence shell electron pair repulsion (VSEPR)theory.

The molecule below is a polar molecule.

A bond between a carbon atom and a nitrogen atom is a polar covalent bond.

Which compound has the greatest number of valence electrons?

Estimate the bond angles around the sulfur atom in the structure shown below.

The symbol δ- is given to the more electronegative atom in a polar bond.

In general,a ________ bond will be one in which the electronegativity difference between two atoms is 0.5 units or greater.

Which atom has the lowest electronegativity?

The structures shown below are resonance structures of sulfur dioxide. and

The covalent bond between chlorine and iodine is a polar one. Which of the following properly represents the direction of polarity in this bond?

In the Lewis structure of a molecule,oxygen atoms typically have ________ lone pair(s)of electrons.

What is the chemical formula for the following Lewis structure?

Aspartic acid is an amino acid used to synthesize proteins. There are ________ atoms with a trigonal planar geometry in the aspartic acid structure shown here.

Which bond has the polarity incorrectly labeled?

Which of the following compounds is not classified as covalent?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

What is the Lewis structure for chloroethylene (C₂H₃Cl)?

The symbol δ^- is given to the more electronegative atom in a polar bond.