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

Hybridization Quiz

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

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Question 1 of 5

1. Question
What type of electrons will hybridize?
- Only sigma electrons
- Only pi electrons
- Both sigma and pi electrons
- Electrons never hybridize
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Question 2 of 5

2. Question
What causes hybridization to occur?
- Hybridized orbitals are higher in energy, which makes them less stable and therefore their formation is favorable
- All orbitals are hybridized to begin with
- Hybridized orbitals are lower in energy, which makes them more stable and therefore their formation is favorable
- Hybridization occurs only when bonds are polar
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Question 3 of 5

3. Question
What are the hybridizations of the highlighted atoms?
- O: sp2, C1: sp3, N: sp2, C2: sp3
- O: sp, C1: sp2, N: sp3, C2: sp3
- O: sp, C1: sp3, N: sp2, C2: sp3
- O: sp2, C1: sp2, N: sp2, C2: sp2
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Question 4 of 5

4. Question
Find the hybridizations of the highlighted atoms and lone pairs:
- N1: sp3, N1 LP: ~sp3, N2: sp2, N2 LP: ~sp2
- N1: sp3, N1 LP: ~sp3, N2: sp2, N2 LP: p
- N1: sp2, N1 LP: ~sp2, N2: sp3, N2 LP: ~sp3
- N1: sp2, N1 LP: p, N2: sp3, N2 LP: ~sp3
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Question 5 of 5

5. Question
Find the hybridization of the highlighted atoms and lone pairs:
- O1: sp3, O1 LP1: ~sp3, O1 LP2: ~sp3 O2: sp2, O2 LP1: ~sp2, O2 LP2: p
- O1: sp2, O1 LP1: ~sp2, O1 LP2: p O2: sp, O2 LP1: ~sp, O2 LP2: p
- O1: sp3, O1 LP1: ~sp3, O1 LP2: ~sp2 O2: sp2, O2 LP1: p, O2 LP2: p
- O1: sp2 O1 LP1: ~sp2, O1 LP2: ~sp2 O2: sp2, O2 LP1: ~sp2, O2 LP2: p
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