2024 Theme Announced: EncantMole
**EncantMole Merchandise will be Available July 1st, 2024**
We emailed all members Oct 23rd, 2023 - if you didn't receive an email, please contact us.
What is Mole Day?
Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Day commemorates Avogadro's Number (6.02 x 10²³), which is a basic measuring unit in chemistry. Mole Day was created as a way to foster interest in chemistry. Schools throughout the United States and around the world celebrate Mole Day with various activities related to chemistry and/or moles.
For a given molecule, one mole is a mass (in grams) whose number is equal to the molar mass of the molecule. For example, the water molecule has an molar mass of 18, therefore one mole of water weighs 18 grams. Similarly, a mole of neon has a molar mass of 20 grams. In general, one mole of any substance contains Avogadro's Number of molecules or atoms of that substance. This relationship was first discovered by Amedeo Avogadro (1776-1858) and he received credit for this after his death.
Browse this website to find out more about The National Mole Day Foundation, how to become a member, or just to read some mole jokes.
What is the National Mole Day Foundation?
The National Mole Day Foundation is a non-profit facilitated by current and former chemistry teachers. Our main goal is to continue to spark enthusiasm in students, teachers, and chemistry enthusiasts alike!
We tackle that endeavour by:
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Selecting a yearly theme for mole day (from submissions) with an accompanying song and artwork.
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Providing classroom resources for teachers
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Highlighting student and teacher work
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Financially supporting teachers for professional development and mole day celebrations
Please consider becoming a member of the National Mole Day Foundation or purchasing something from our store to help support our mission!