Curated OER
The Noble Gases
When breaking down the details of the periodic table of elements, this presentation will explain special characteristics for each of the noble gases. The annotations are quite elementary, so this can easily be used in an introductory...
Encyclopedia of Earth
Encyclopedia of Earth: Radon
Information about the radioactive element, Radon, atomic number 86. Covers physical properties, atomic properties, how abundant it is on the Earth, details about its impact on human health, and about how it can be monitored.
Other
Web ref.org: Radon
Nice few sentences about radon, its properties and health/environmetal info. Links to technical terms and definitions within the article.
Other
Environmental Yellow Pages: Radon
This site is about radon gas and other radioactive substances. This page links to several others about various radon topics.
National Institute of Standards and Technology (NIST)
Nist: Physics Measurement Laboratory: Marie Curie and the Nbs Radium Standards
Use this site to learn about Marie Curie and her work with radioactivity which earned her worldwide recognition and two Nobel Prizes. This gallery is organized into a "timeline" of significant events, from 1913 to the present, in which...
PBS
Pbs Nova: Dirty Bomb: Sources of Radiation
In this interactive, learn about sources of both beneficial and harmful radiation which exist in many forms all around us.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: The Noble Gases
Through an online slideshow format, learn about the chemical properties and practical uses of the noble gases. Includes questions at end.