Monthly Archives: September 2018

Ring Flipping Apps & YouTube Videos

Posted on September 29, 2018 by alan

Understanding what molecules look like, how they move, what relationships exist between atoms, are all challenging mental tasks. Here are two tools that might help.

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Where do I put my CH3 groups in a condensed formula?

Posted on September 8, 2018 by alan

I’ve been getting a lot of office visits and emails over the same homework problem. Folks say, “I typed CH3CH2CH(CH3)CH(CH3)CH3” or “I typed CH3(CH3)CHCH…” or “I typed CH3CH(CH3)CH…” and it was marked incorrect. =(

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Molecular Model Kits – Is NOW the time?

Posted on September 7, 2018 by alan

The Day 3 materials offered a small taste of where we are headed next: the 3-D world of molecules. Carbon is tetrahedral. Does this wedge-dashed diagram make sense? Can you rotate it in your head (rotate around any bond or … finish reading Molecular Model Kits – Is NOW the time?

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