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How big is a mole? (Not the animal, the other one.) - Daniel Dulek

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The word “mole” suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how something so big can help us calculate the tiniest particles in the world.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Producer Aaron Augenblick, Lisa Thomas
  • Director Barbara Benas
  • Educator Daniel Dulek
  • Narrator Daniel Dulek
Additional Resources for you to Explore
A comprehensive biography of Avogadro can be found here: http://www.bulldog.u-net.com/avogadro/avoga.html
The mole is taught in every introductory chemistry class one can take at the college level. Here's an example of a chemistry course: http://antoine.frostburg.edu/chem/senese/101/moles/index.shtml
There is an entire day dedicated to commemorating Avogadro's Number. National Mole Day: http://www.moleday.org/
Sparknotes is a great resource for quick learning. You can explore all you ever wanted to know about chemistry here: http://www.sparknotes.com/chemistry/
"The primary unit for the amount of substance in a chemical element is the mole, and if you are talking about the stoichiometry of a reaction, the mole is the basis for that." Dr. Willie May, National Institute of Standards, Maryland
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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Producer Aaron Augenblick, Lisa Thomas
  • Director Barbara Benas
  • Educator Daniel Dulek
  • Narrator Daniel Dulek