1. A Review of General Chemistry

Formal Charges

1. A Review of General Chemistry

# Formal Charges - Video Tutorials & Practice Problems

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Get a 10 bullets summary of the topicWe use our knowledge of valance electrons to determine what he formal charge of the molecule will be.

Formal and Net Charge

1

concept

## Calculating formal and net charge.

Video duration:

1mPlay a video:

Easiest formal charge formula you will find anywhere on the internet:

The Net Charge is *the sum of all the formal charges* on a molecule.

Calculate the formal charge of the following molecule:

2

concept

## Calculate the formal charges of ALL atoms.

Video duration:

2mPlay a video:

3

Problem

ProblemCalculate the net charge of the molecule

A

-1

B

0

C

+1

D

+2

4

Problem

ProblemCalculate the total charge of the molecule

A

-2

B

-1

C

0

D

+1

Hell yeah! That’s literally all there is to know. Don’t let any professors complicate it more for you.

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Additional resources for Formal Charges

PRACTICE PROBLEMS AND ACTIVITIES (17)

- An atom with a formal charge does not necessarily have more or less electron density than the atoms in the mol...
- An atom with a formal charge does not necessarily have more or less electron density than the atoms in the mol...
- LOOKING AHEAD In Chapter 3, we describe how the formal charge on an atom can be used to predict the number of ...
- (••) By moving an electron pair, draw a better Lewis structure that minimizes formal charges. (b)
- (••) By moving an electron pair, draw a better Lewis structure that minimizes formal charges. (a)
- Draw the Lewis structure for the following ions. Be sure to calculate the formal charge of each atom to confir...
- Calculate the formal charge of the indicated atom in the following molecules or ions. (f)
- Calculate the formal charge of the indicated atom in the following molecules or ions. (e)
- Draw the Lewis structure for the following molecules. Be sure to calculate the formal charge of each atom as a...
- Draw the Lewis structure for the following molecules. Be sure to calculate the formal charge of each atom as a...
- Calculate the formal charge of the indicated atom in the following molecules or ions. (d)
- Draw the Lewis structure for the following ions. Be sure to calculate the formal charge of each atom to confir...
- Draw the Lewis structure for the following ions. Be sure to calculate the formal charge of each atom to confir...
- (a) Calculate the formal charge of the indicated atoms in the ions shown.
- Calculate the formal charge on the non-hydrogen atoms in the molecules shown. Use the arrow-pushing formalism ...
- LOOKING AHEAD In Chapter 3, we describe how the formal charge on an atom can be used to predict the number of ...
- Based on the formal charge, determine how many lone pairs are on each indicated atom. (a)