Chemistry (Math/Science Core)

As a project in the National Science Digital Library (NSDL), the ChemCollective's goals are to support a community of instructors interested in improving chemistry education through interactive and engaging online activities.

The Compendium is popularly referred to as the "Gold Book" and collects together terminology definitions from IUPAC recommendations.

Interactive Periodic Table of Elements with an identification game.

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.