There is a common misconception among educators, and even some metrologists, that the Avogadro constant _N_~A~ is (or should be) a pure number, and not a constant of dimension *N*^–1^ (where *N* is ...

October 23 is marked as Mole Day to commemorate Avogadro's Number 6.02 x 10²³ which is a basic measuring unit in chemistry. Mole Day was created as a way to foster interest in chemistry. Schools ...

Today is Oct. 23, which in the U.S. is written as 10/23. That means it’s Mole Day! For the nongeeky, nonsciencey types out there, a mole is a number used in chemistry quite a bit. It’s used to ...

October 23rd marks Mole Day in the United States. Chemistry classes and chemistry enthusiasts celebrate this unofficial holiday with activities, cakes and jokes galore. Here’s what you need to know. A ...

It’s October 23, or Mole Day for chemistry enthusiasts. From 6:02 a.m. to 6:02 p.m. students and teachers celebrate their love of chemistry with Avogadro’s number — 6.02 x 10^23, a unit of measurement ...

This discussion paper, circulated in advance of the 17th meeting of the Consultative Committee for Amount of Substance, addresses the proposed redefinition of the mole in terms of a fixed numerical ...

Today, October 23, is Mole Day -- the unofficial holiday when we celebrate Amedeo Avogadro and his contributions to molecular theory. In 1811, Avogadro hypothesized that given two volumetrically ...

Relics in the form of rods, rulers, and weights go back thousands of years, suggesting that people have long cared about standardized measurements. Today, the International System of Units(SI) defines ...

May 24 — To the Editor: Avogadro’s number has nothing to do with how many green fruit it takes to make guacamole. It is chemistry term used to define the number of atoms or molecules in a certain ...