National Mole Day

Category
National Mole Day in USA in 2021
Image via Pixabay

About National Mole Day

How long until National Mole Day?
National Mole Day .
Dates of National Mole Day
2022 USA Sunday, October 23rdNational Mole Day
2021 USA Saturday, October 23rdNational Mole Day
2020 USA Friday, October 23rdNational Mole Day
2019 USA Wednesday, October 23rdNational Mole Day
Summary
October 23, denoted 10/23 in the US, is recognized by some as Mole Day. It is an informal holiday in honor of the unit among chemists.

National Mole Day recognizes a special number in chemistry. Chemists and chemistry students mark the occasion each year on October 23.

The mole is the unit of amount in chemistry.  It provides a bridge between the atom and the macroscopic amounts of material that we work with in the laboratory.  It allows the chemist to weigh out amounts of two substances, say iron and sulfur, such that equal numbers of atoms of iron and sulfur are obtained.

Similar Observances

Read more about National Meteor Watch Day

National Meteor Watch Day

Meteor showers are some of the best light shows that the solar system puts on for us.

Read More
Read more about National Yellow Pig Day

National Yellow Pig Day

Yellow Pig Day originated in the 1960s when two math students from Princeton spent a long time analysing the number 17.

Read More
Read more about National Fossil Day

National Fossil Day

A celebration organized by the National Park Service to promote public awareness and stewardship of fossils.

Read More
Read more about National Exascale Day

National Exascale Day

Find out the history and background to National Exascale Day

Read More
Explore more Science holidays

Other Observances on October 23rd 2021

Read more about iPod Day

iPod Day

Find out the dates, history and traditions of iPod Day

Read More
Read more about National Boston Cream Pie Day

National Boston Cream Pie Day

Find out the dates, history and traditions of National Boston Cream Pie Day

Read More
Read more about National TV Talk Show Host Day

National TV Talk Show Host Day

Find out the dates, history and traditions of National TV Talk Show Host Day

Read More
Read more about Swallows Depart from San Juan Capistrano Day

Swallows Depart from San Juan Capistrano Day

Find out the dates, history and traditions of Swallows Depart from San Juan Capistrano Day

Read More
All events on October 23rd 2021