Kids, here's a really cool guide to what some common atoms and molecules look like when we have a whole bunch of them together, and see their everyday appearance.

Please note:  All chemicals and experiments can entail an element of risk, and no experiments should be performed without proper adult supervision.

You need to have a special program, called Adobe Acrobat Reader, to see this chart. If you don't already have it, you can download in a copy for free with your parent's help by clicking here. If you already have Acrobat Reader, or have just loaded it onto your computer, you can see the chart by clicking cool chart. 

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Kathleen Carrado Gregar, PhD, Argonne National Labs 
[email protected]
May 2000