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Links for the Fifth Chapter

Extra Help For Chapter 5

The entire video is good, but the instruction on drawing Lewis Structures starts at 4:52.

I don’t like this method, but if you are having trouble with drawing Lewis structures, this might work for you.

This shows you how to understand the way atomic radius changes across the Periodic Table.

This gives you a good explanation of how electronegativity changes across the periodic table.

The entire video is good, but the best part starts at 11:21. He has excellent models that show how to figure out tetrahedral, pyramidal, and bent molecules.

Here’s another video about determining the shapes of molecules.

Here’s a good video explaining how to determine whether or not a molecule is polar.

This video is a good discussion of how soap works.

Interesting Links Related to Chapter 5

Some molecules break the rule requiring eight electrons around an atom. This video explains the shape of some of them.

Some molecules break the rule requiring eight electrons around an atom. This video explains the shape of some of them.

This video discusses how important water’s polarity is.

Here’s an odd treatment of the subject.

This has two animations about how micelles form in biological systems.

Extra Problems for Chapter 5

Extra problems for Chapter 5
This gives you more practice on the problems in chapter 5. Here are the solutions.