October 23, from 6:02 a.m. to 6:02 p.m., to be exact, is National Mole Day!
National Mole Day commemorates the mole, a basic measuring unit in chemistry. Also known as Avogadro’s Number, the chemical formula of which is 6.02 x 10^23, the mole was discovered by Italian chemist Amadeo Avogadro. One mole is equal to the atomic mass of a single molecule and is measured in grams.
Learn more about National Mole Day and find celebration ideas at moleday.org.