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ChemEd X articles address topics in chemical education ranging across the entire spectrum of the chemical sciences.

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mole definition
What the MOLE?
// Saturday, August 15, 2015 • Deanna Cullen
What is your definition of the term “mole” in chemistry? Many articles have been written about the term and the confusion surrounding it. It was not considered an SI unit (with an IUPAC definition) until 1971 (Fang, Hart, Clarke).
Halloween demo
A Halloween Chemistry Show
// Tuesday, May 5, 2015 • koshin
Authors: Katherine A. Bussey, Annie R. Cavalier, Samantha A. Moorhead, Erin F. Reinhart, and Kayode D. Oshin. Department of Chemistry and Physics, Saint Mary’s College, Notre Dame, Indiana 5 46556, United States
AP Chem
Reflections on a Year of AP
// Sunday, May 3, 2015 • E Posthuma
As I write this, it is the day before the national AP Chemistry exam. We’ve been working toward this day since August. We’ve endured late hours, broken crucibles, anxiety, and tears.  I’ve run weekend and evening re