Valence Shell Bonding Electron Nonbonding Approx. Bond Molecule or Lewis Electron Electron VSEPR Geometric Molecular Ion Structure Pairs Pairs Pairs Formula Angle Shape 1. CH4 4 4 AX, 109.5° tetrahedral H:C:H H 2. Complete the table (as outlined above) for the following molecules/molecular ions, none of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor. e. XeF4 i. SF6
Valence Shell Bonding Electron Nonbonding Approx. Bond Molecule or Lewis Electron Electron VSEPR Geometric Molecular Ion Structure Pairs Pairs Pairs Formula Angle Shape 1. CH4 4 4 AX, 109.5° tetrahedral H:C:H H 2. Complete the table (as outlined above) for the following molecules/molecular ions, none of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor. e. XeF4 i. SF6
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:### Exercise: Lewis Structures, VSEPR Theory and Molecular Geometry
#### 1. Methane (CH₄)
**Molecule or Molecular Ion:** CH₄
**Lewis Structure:**
```
H
|
H—C—H
|
H
```
**Valence Shell Electron Pairs:** 4
**Bonding Electron Pairs:** 4
**Nonbonding Electron Pairs:** 0
**VSEPR Formula:** AX₄
**Approx. Bond Angle:** 109.5°
**Geometric Shape:** Tetrahedral
#### 2. Completion Task
Complete the table (as outlined above) for the following molecules/molecular ions, none of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor.
**e.** XeF₄
**i.** SF₆
For each molecule, provide the following details:
- **Molecule or Molecular Ion**
- **Lewis Structure**
- **Valence Shell Electron Pairs**
- **Bonding Electron Pairs**
- **Nonbonding Electron Pairs**
- **VSEPR Formula**
- **Approx. Bond Angle**
- **Geometric Shape**
These tasks are essential for understanding molecular geometry and electron pair repulsion, which are fundamental concepts in chemistry.
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