October 23rd marks Mole Day in the United States. Chemistry classes and chemistry enthusiasts celebrate this unofficial holiday with activities, cakes and jokes galore. Here’s what you need to know.

Chemistry Nerds Rejoice—It’s Mole Day Named for a unit of atomic particles, this decades-old quirky holiday seeks to raise enthusiasm for chemistry with cakes, crafts and a lot of bad jokes ...

Creative commons photo of a mole found in France by flickr user J. Marsh It's October 23, or Mole Day for chemistry enthusiasts. From 6:02 a.m. to 6:02 p.m. students and teachers celebrate their ...

Chemistry & Physics Chemistry 801: Mole/Mole and Mole/Mass Stoichiometry Problem Season 1 Episode 801 | 26m 38s Mole/Mole and Mole/Mass Stoichiometry Problems: The concept of the mole to use ...