2008/11/12

Lewis structures

Today we worked through a couple examples of Lewis structures and looked at the concept of formal charge as a way to decide whether a Lewis structure is "good". We also looked at resonance structures and talked about electronegativity as a way to decide how molecules and polyatomic ions should be assembled. Lewis structures are extremely useful tools and require a bit of practice, so don't wait to practice them.

A new MC assignment is posted.

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