Identify the number of lone pairs on each highlighted nitrogen atom in the following structure. H. O NH2 H NH2

Chemistry
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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
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### Identifying the Number of Lone Pairs on Nitrogen Atoms

In this exercise, we will determine the number of lone pairs on each highlighted nitrogen atom in the given molecular structures.

**Instructions:**
For each molecular structure provided below, identify and select the number of lone pairs present on the highlighted nitrogen atom.

#### Structure 1
- **Molecular Formula:** 
  The highlighted nitrogen atom is bonded to two hydrogen atoms (H) and another nitrogen atom (N) with an attached hydrogen atom (NH2).

- **Diagrams:**
  - **Lone Pair Selection Box:** Adjacent to the structure, there is a dropdown box where you can select the number of lone pairs on the highlighted nitrogen atom.

#### Structure 2
- **Molecular Formula:** 
  The highlighted nitrogen atom is bonded to one hydrogen atom (H), a carbon chain (not shown in detail but implied by the skeletal line structure), and another nitrogen atom (NH2).

- **Diagrams:**
  - **Lone Pair Selection Box:** Adjacent to the structure, there is a dropdown box where you can select the number of lone pairs on the highlighted nitrogen atom.

Both structures have a shaded area around the nitrogen atom in question to indicate that this is the atom for which you need to identify the lone pairs.

**Note:** 
- A lone pair refers to a pair of valence electrons that are not shared with another atom and are sometimes represented as dots in a Lewis structure.
- Ensure you select the correct number of lone pairs by considering the bonding and electron distribution around the nitrogen atoms as per the Valence Shell Electron Pair Repulsion (VSEPR) theory.

Select the proper number from the dropdown to complete the identification process for each highlighted nitrogen atom.
Transcribed Image Text:### Identifying the Number of Lone Pairs on Nitrogen Atoms In this exercise, we will determine the number of lone pairs on each highlighted nitrogen atom in the given molecular structures. **Instructions:** For each molecular structure provided below, identify and select the number of lone pairs present on the highlighted nitrogen atom. #### Structure 1 - **Molecular Formula:** The highlighted nitrogen atom is bonded to two hydrogen atoms (H) and another nitrogen atom (N) with an attached hydrogen atom (NH2). - **Diagrams:** - **Lone Pair Selection Box:** Adjacent to the structure, there is a dropdown box where you can select the number of lone pairs on the highlighted nitrogen atom. #### Structure 2 - **Molecular Formula:** The highlighted nitrogen atom is bonded to one hydrogen atom (H), a carbon chain (not shown in detail but implied by the skeletal line structure), and another nitrogen atom (NH2). - **Diagrams:** - **Lone Pair Selection Box:** Adjacent to the structure, there is a dropdown box where you can select the number of lone pairs on the highlighted nitrogen atom. Both structures have a shaded area around the nitrogen atom in question to indicate that this is the atom for which you need to identify the lone pairs. **Note:** - A lone pair refers to a pair of valence electrons that are not shared with another atom and are sometimes represented as dots in a Lewis structure. - Ensure you select the correct number of lone pairs by considering the bonding and electron distribution around the nitrogen atoms as per the Valence Shell Electron Pair Repulsion (VSEPR) theory. Select the proper number from the dropdown to complete the identification process for each highlighted nitrogen atom.
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