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September 19, 2014

September 19, 2014

Posted by **Kim** on Wednesday, May 23, 2012 at 1:51am.

- Chemistry -
**DrBob222**, Wednesday, May 23, 2012 at 3:35pmIt's an easy way to visualize atoms and molecules. Everyone knows it isn't totally accurate but it's difficult to talk about bonding when we can't see them. The ball and stick models serve a useful purpose.

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