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ACT ONE: At their stations, they should have a basic chromotography setup, complete with instructions on what to do. They are going to take a marker or colored pen, and figure out what colors comprise it. The instructions on how to do this on page 368-369.

ACT TWO: Discuss what covalent character really means, and how it relates to this.

This will include first discussing it, and reading about it, as it does not really directly relate to the chromotography. The Chromotography is a "loose" parallel of bonding.