The early history of chemistry has many interesting stories. Just consider the problems scientists had 200 years ago as they tried to figure out some of the most basic ideas of chemistry. It was clear ...

HONOLULU (KHON2) — Mole Day is a special day in the world of chemistry, and it’s celebrated each year on Oct. 23 between the hours of 6:02 a.m. to 6:02 p.m. This day honors Avogadro’s number, which is ...

The Advanced Stoichiometry STEM Certificate is a self-guided program that reinforces the topics of stoichiometry with students, including: dimensional analysis, conversion factors, chemical formulas, ...

An ongoing international effort to redefine the kilogram by 2018 has been helped by recent efforts from a team researchers from Italy, Japan and Germany to correlate two of the most precise ...