Answers the question "what are atoms?" by providing a basic overview of atomic structure. Also, find out if atoms are the smallest in the universe.

A shockwave application that allows the user to add up and down quarks to a hydrogen nucleus to create a carbon nucleus.

An overview of nuclear chemistry, with interactive tests, forums, and surveys.

Thinkquest site offering a history of atomic structure, elements, bonding, and nuclear reactions.

Atomic images and basics about chemical bonding.

Basics about atoms, including structure and behavior.

Timeline that contains short details of the year a specific scientist made a discover, and then gives a link to explain in detail who each scientist was and what they contributed to the scientific world of atoms and atomic structure.

An image of silicon atoms arranged on a face of a crystal.

Quiz on the symbols of naturally-occuring elements.

Includes a description and tables. Also covers isotopes.

Explains the origins of the names of the chemical elements and lists element names in many languages.

Thinkquest site about uranium, silicon, hydrogen, oxygen, and nitrogen. Includes a list of experiments and a quiz.

From How Stuff Works. A complete tutorial on atoms, including what they are, current issues, and activities.

Site focuses on the role that atoms play in life, along with how they are used as isotopes in the environment.

Includes facts about the history, uses, and properties of this element.

Overview of spectroscopy and Java applets that show spectral lines for different elements.

Includes a description of atomic theory, shockwave animations, and diagrams.

From Discovery online, a short description of atoms.

History, pictures, technical information, definitions, theories, and models are included.

Provides information about the history, sources, isotopes, and uses of this hard metal.