Module 1: Formal Charge, Partial Charge, Electron Density, Hybridization, and Resonance Structures

Electron Density

4 Topics | 1 Quiz

Electron Density Introduction

Identifying Partial Charges

Relationship Between Formal Charge and Partial Charge

Electron Density: Quiz

6 Topics | 1 Quiz

Sigma and Pi: Bonds and Electrons

Hybridization: Introduction

Hybridization: Counting Rule

Hybridization: Nitrogen Exception

Hybridization: Lone Pairs

Hybridization: Example

Hybridization Quiz

Resonance Structures and Pi Systems

4 Topics | 1 Quiz

Resonance Structures and Pi Systems: Introduction

Resonance Structures: Formal Charge

Resonance Structures: Example 1

Resonance Structures: Benzene Rings

Resonance Structures Quiz

Electron Density: Quiz

Module 1: Formal Charge, Partial Charge, Electron Density, Hybridization, and Resonance Structures Electron Density Electron Density: Quiz

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Question 1 of 7

1. Question
What is formal charge?
- Formal charge represents the real charge of an atom based on the flow of electron density
- Formal charge tells us if an atom has the number of valence electrons it wants
- Formal charge tells us if an atom has the number of protons it wants
- Formal charge represents the number of bonds an atom has
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Question 2 of 7

2. Question
What is partial charge?
- Partial charge tells us if an atom has the number of valence electrons it wants
- Partial charge represents the total number of electrons an atom has
- Partial charge represents the real charge of an atom based on the flow of electron density
- Partial charge represents a relationship between protons and electrons
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Question 3 of 7

3. Question
Which atoms will electron density always flow towards?
- Cl, Br, I
- F, O, N
- H, B, C
- F, N, C
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Question 4 of 7

4. Question
Why does electron density flow towards fluorine, oxygen, and nitrogen (the FON elements)?
- Because FON elements are the lowest electronegativity
- Because FON elements are larger than all other atoms
- Because FON elements have a large number of valence electrons
- Because FON elements are the highest electronegativity elements
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Question 5 of 7

5. Question
What tools do we use to represents the flow of electron density in a molecule?
- Formal charges
- Dipole arrows
- Depictions of the actual electron clouds
- Partial charges
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Question 6 of 7

6. Question
Identify the partial charges that occur in the molecule below
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Question 7 of 7

7. Question
Identify the partial charges that occur in the molecule below
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