explore the chemical elements through this periodic table

the definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

We help chemistry to change the world. Supporting the chemical science community through publishing research, membership, events, networks, education.

everything for chemists: from the periodic system in online and pdf versions, to online calculators and free software for chemists. english-croatian chemistry dictionary and glossary is always at hand.

iupac serves the international scientific endeavor in the dual function of a basic science and a mission-oriented union. the union is in a unique position

An online resource for chemistry students where they can easily learn about various fields of chemistry through simple aritcles and pictures

support for high school science courses, including chemistry, ap chemistry, and biology. sciencegeek.net is the website of andy allan, a retired science teacher in visalia, ca.

Are you wondering what's new and what we're working on at Science Notes? Here's a running update.

Textbook pages, worksheets, practical guides, molecular models, ideas for fun activities, revision quizzes for A Level and GCSE chemistry.