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 ...

This lesson covers solved numerical problems on molarity, molality, mole fraction, and percentage concentrations to help you clearly understand solution concentration concepts in chemistry.

It doesn't dig underground and it's not above Cindy Crawford's lip. But the mole -- a fundamental unit in chemistry -- is the guest of honor today at 5,000 schools across the country. A mole is the ...

This article provides you the revision notes on Class 11 Chemistry: Chapter- Some Basic Concepts of Chemistry, to give you a quick glance of the chapter. This article is a continuation of the revision ...

Closing out the inaugural year of Stereo Chemistry, host Kerri Jansen and C&EN reporter Tien Nguyen share a collection of stories about ways people distill complex chemistry concepts for their ...

Chemists use symbols and formulae to represent elements, ions and compounds. Word equations and balanced chemical equations model the changes that happen in chemical reactions. Hazards and risks - ...