Encyclopedia > Mole Day

Article Content

Mole Day

Mole Day is celebrated among chemists on October 23, between 6:02 a.m. and 6:02 p.m. The time and date are derived from Avogadro's number, which is 6.02 × 10²³, defining the number of molecules in a mole, a basic chemistry unit.

Featured Article

French resistance

... members who had fought in the Republican side of the Spanish Civil War. Resistance groups also helped Allied pilots who had been shot down to get back to Britain. ...