Happy Mole Day

An unofficial holiday celebrated among chemists in North America on October 23, between 6:02 AM and 6:02 PM, making the date 6:02 10/23. The time and date are derived from the Avogadro constant, which is approximately 6.02×1023, defining the number of particles (atoms or molecules) in a mole.  The mole is one of the seven base SI units the other six are:

Measurable Name Abbreviation
mass kilogram kg
distance meter m
time second s
temperature kelvin K
electrical current ampere A
luminous intensity candela cd

1 comment:

Rebecca Holt Stay said...

I am so impressed that you were up at 6:02 AM to post this!
Let us all sing a Mole Day song.
Happy Mole Day to you.