A study of the periodic table of elements doesn't have to be elementary! Deepen understanding of the building blocks of chemistry with an interactive periodic table. At first sight, the table looks like a standard reference page, but a...

Learn what radioactive isotopes are and the different ways that they are used in medicine.

Describes the characteristics of carbon and what an isotope is. Presents a chart of carbon isotopes listing nuclide symbol, atomic weight, half-life, and nuclear spin, as well as a second chart listing radioactive carbon isotopes....

This overview of isotopes explores where isotopes come from and returning an atom to its normal state.

Learn about radioactivity, the different types of radioactive decay, isotopes, and half-life of a radioactive element. Includes a long chart listing radioactive elements, atomic number and mass number, decay type, and length of half-life.

This site provides an overview of radioactive dating, a process used to determine the age of rocks and other materials.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how radioactive particles decay. Includes a few questions to check for understanding.

This entry provides a summary of radioactivity in nature and the decay chain.

Students will find an explanation of the neutron particle located inside the atom's nucleus. Website also defines isotopes and the process of radioactive decay.

This article from Wikipedia contains great information on the element carbon. Links are provided throughout the article to provided additional information. The topics include: Notable Characteristics, Applications, History, Allotropes,...

Information about the radioactive element, Uranium, atomic number 92. Describes its history, physical and atomic properties, how abundant it is on the Earth, and permissible exposure limits. Also discusses sources, uses, isotopes,...

This WebElements site provides a great deal of elemental information. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, and information on isotopes, properties and more.

This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.

An interactive tutorial on half life. Very readable and has a little extra for the advanced student.

A nice, clear site, containing a good deal of elemental information, including; atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.

Use this site to learn about radiocarbon dating and the scientist who discovered it, Willard Libby (1908-1980 CE).

An interactive tutorial on positrons. Very readible and has a little extra for the advanced student.