User talk:Helohe/Archives/2019/October

Mole Day!
 Happy Mole Day 6.022x1023  Hello! Wishing you a Happy Mole Day on the behalf of WikiProject Science.


 * What is this?
 * Mole Day is an unofficial holiday celebrated among chemists, chemistry students and chemistry enthusiasts on October 23, between 6:02 a.m. and 6:02 p.m. This date is derived from the Avogadro number, which is approximately 6.022×1023, and the day is named after scientist Amedeo Avogadro.


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 * Similar events


 * Pi day
 * DNA day
 * Evolution Day
 * Yuri's Night
 * Square Root Day


 * See also


 * Observances about science
 * Observances in October

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WikiProject History of Science Sent by MediaWiki message delivery (talk) 23:00, 23 October 2019 (UTC)