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Formal Charge

Additional Exercises

Your goal should be to develop the ability to determine the formal charge on any atom within a molecule by inspection.

1. For each of the following structures, calculate the formal charge on the specified atoms. In these problems all the atoms have a filled valence shell. However, non-bonding electrons are not shown.

1. The formal charge on F is

2. The formal charge on C1 is

3. The formal charge on C2 is

4. The formal charge on H is

1. The formal charge on O is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on O is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on N is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on N is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on O is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on O is

2. The formal charge on O is

3. The formal charge on O is

4. The formal charge on C is

5. The formal charge on H is

1. The formal charge on N is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on N is

2. The formal charge on N is

3. The formal charge on C is

4. The formal charge on H is

2. For each of the following structures, calculate the formal charge on the specified atoms. In these problems all non-bonding electrons are shown.

1. The formal charge on C is

2. The formal charge on H is

1. The formal charge on C is

2. The formal charge on H is

1. The formal charge on C is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on C is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on O is

2. The formal charge on O is

3. The formal charge on H is

1. The formal charge on O is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on C is

2. The formal charge on H is

1. The formal charge on N is

2. The formal charge on C is

3. The formal charge on H is

1. The formal charge on C is

2. The formal charge on C is

3. The formal charge on H is

3.

a. Determine the formal charge of the carbon atom in each of the following structures.

Structure

Formal Charge

b. Determine the formal charge of the nitrogen atom in each of the following structures.

Structure

Formal Charge

c. Determine the formal charge of the oxygen atom in each of the following structures.

Structure

Formal Charge

d. Determine the formal charge of the hydrogen atom in each of the following structures.

Structure

Formal Charge

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