TED-Ed

How big is a mole? (Not the animal, the other one.) - Daniel Dulek (2012x45)

Date de diffusion: Sept 11, 2012

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.