Please count total number of valence electrons, have lewis structures, resonance structures where applicable, and name the molecular geometry for each central atom.

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Chapter1: Chemical Foundations
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Please count total number of valence electrons, have lewis structures, resonance structures where applicable, and name the molecular geometry for each central atom.
**Lewis Structures and Molecular Shapes**

Draw the Lewis structures for each of the following ions and molecules. Indicate the shape by description or sketch. The relative arrangement of atoms is shown in the box.

1. **Ammonia (NH₃):**
   - **Arrangement:** 
     - A nitrogen atom (N) is bonded to three hydrogen atoms (H), forming a trigonal pyramidal shape.

2. **Hydrazine (N₂H₄):**
   - **Arrangement:**
     - Two nitrogen atoms (N) are bonded to each other, with each nitrogen also bonded to two hydrogen atoms (H), forming an overall staggered structure.

3. **Methyl Chloride (CH₃Cl):**
   - **Arrangement:**
     - A carbon atom (C) is bonded to three hydrogen atoms (H) and one chlorine atom (Cl), forming a tetrahedral shape.

4. **Acetic Acid (CH₃COOH):**
   - **Arrangement:**
     - The structure includes a carbon (C) bonded to three hydrogen atoms (H), another carbon bonded to an oxygen atom (O) via a double bond, and a hydroxyl group (OH), forming a planar arrangement around the carboxyl group.

5. **Carbon Dioxide (CO₂):**
   - **Arrangement:**
     - A linear configuration with a carbon atom (C) double-bonded to two oxygen atoms (O).

6. **Hydrogen Cyanide (HCN):**
   - **Arrangement:**
     - A carbon atom (C) is triple-bonded to a nitrogen atom (N) and single-bonded to a hydrogen atom (H), forming a linear shape.
Transcribed Image Text:**Lewis Structures and Molecular Shapes** Draw the Lewis structures for each of the following ions and molecules. Indicate the shape by description or sketch. The relative arrangement of atoms is shown in the box. 1. **Ammonia (NH₃):** - **Arrangement:** - A nitrogen atom (N) is bonded to three hydrogen atoms (H), forming a trigonal pyramidal shape. 2. **Hydrazine (N₂H₄):** - **Arrangement:** - Two nitrogen atoms (N) are bonded to each other, with each nitrogen also bonded to two hydrogen atoms (H), forming an overall staggered structure. 3. **Methyl Chloride (CH₃Cl):** - **Arrangement:** - A carbon atom (C) is bonded to three hydrogen atoms (H) and one chlorine atom (Cl), forming a tetrahedral shape. 4. **Acetic Acid (CH₃COOH):** - **Arrangement:** - The structure includes a carbon (C) bonded to three hydrogen atoms (H), another carbon bonded to an oxygen atom (O) via a double bond, and a hydroxyl group (OH), forming a planar arrangement around the carboxyl group. 5. **Carbon Dioxide (CO₂):** - **Arrangement:** - A linear configuration with a carbon atom (C) double-bonded to two oxygen atoms (O). 6. **Hydrogen Cyanide (HCN):** - **Arrangement:** - A carbon atom (C) is triple-bonded to a nitrogen atom (N) and single-bonded to a hydrogen atom (H), forming a linear shape.
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