FFFS門 Valence Shell Bonding Nonbonding Approx. Bond Molecule or Lewis Electron Electron Electron VSEPR Geometric Molecular Ion Structure Pairs Pairs Pairs Formula Angle Shape 1. CH, 4 4 AX4 109.5° tetrahedral H H:C:H H 1. Complete the table (as outlined above) for the following molecules/molecular ions, all of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor. g. PO,- h. PF3 i. ASH3

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### Understanding Molecules and Lewis Structures

**Molecules or Molecular Ions and Their Properties**

Below is a breakdown of methane (CH₄), including its Lewis structure, valence shell electron pairs, bonding and nonbonding electron pairs, VSEPR formula, approximate bond angle, and geometric shape:

| Molecule or Molecular Ion | Lewis Structure | Valence Shell Electron Pairs | Bonding Electron Pairs | Nonbonding Electron Pairs | VSEPR Formula | Approx. Bond Angle | Geometric Shape |
|---------------------------|-----------------|-----------------------------|------------------------|--------------------------|---------------|--------------------|-----------------|
| 1. CH₄                    |     ![H
                             H:C:H
                             H](attachment:CH4.png) | 4                           | 4                      | 0                         | AX₄           | 109.5°             | tetrahedral     |

**Instructions for Completing the Table:**

1. **Complete the table (as outlined above) for the following molecules/molecular ions, all of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor:**

   - **g. PO₄³⁻**
   - **h. PF₃**
   - **i. AsH₃**

When filling out the table for these molecules or molecular ions, ensure to detail the Lewis structure, account for the valence shell electron pairs, bonding pairs, and nonbonding pairs, then determine the VSEPR formula, approximate bond angle, and the geometric shape.

The goal is to provide a clear and concise understanding of each molecule or molecular ion's structure and properties, aiding in the comprehension of molecular geometry and bonding theories.
Transcribed Image Text:### Understanding Molecules and Lewis Structures **Molecules or Molecular Ions and Their Properties** Below is a breakdown of methane (CH₄), including its Lewis structure, valence shell electron pairs, bonding and nonbonding electron pairs, VSEPR formula, approximate bond angle, and geometric shape: | Molecule or Molecular Ion | Lewis Structure | Valence Shell Electron Pairs | Bonding Electron Pairs | Nonbonding Electron Pairs | VSEPR Formula | Approx. Bond Angle | Geometric Shape | |---------------------------|-----------------|-----------------------------|------------------------|--------------------------|---------------|--------------------|-----------------| | 1. CH₄ | ![H H:C:H H](attachment:CH4.png) | 4 | 4 | 0 | AX₄ | 109.5° | tetrahedral | **Instructions for Completing the Table:** 1. **Complete the table (as outlined above) for the following molecules/molecular ions, all of which obey the Lewis octet rule. Complete those that are assigned by your laboratory instructor:** - **g. PO₄³⁻** - **h. PF₃** - **i. AsH₃** When filling out the table for these molecules or molecular ions, ensure to detail the Lewis structure, account for the valence shell electron pairs, bonding pairs, and nonbonding pairs, then determine the VSEPR formula, approximate bond angle, and the geometric shape. The goal is to provide a clear and concise understanding of each molecule or molecular ion's structure and properties, aiding in the comprehension of molecular geometry and bonding theories.
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