Astatine « http://www.scescape.net/~woods/elements/astatine.html | | Data tables and historic information. |
Britannica Nobel Prize: Astatine « http://www.britannica.com/nobel/micro/38_12.html | | Overview and basic data. |
ChemGlobe: Astatine « http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/85.html | | Electronic , thermal , and steric data , along with a table of isotopes. |
Chemical Elements. com: Astatine « http://www.chemicalelements.com/elements/at.html | | Basic information , atomic structure , and table of isotopes. |
EnvironmentalChemistry. com: Astatine « http://environmentalchemistry.com/yogi/periodic/At.html | | Atomic structure , chemical and physical properties , and table of nuclides. |
It's Elemental: Astatine « http://education.jlab.org/itselemental/ele085.html | | Basic physical and historical information. |
LANL: Astatine « http://periodic.lanl.gov/elements/85.html | | History , uses , production , and properties. |
Lenntech: Astatine « http://www.lenntech.com/Periodic-chart-elements/At-en.htm | | Physical data , chemical properties , and health effects. |
Radiochemistry of Astatine « http://lib-www.lanl.gov/cgi-bin/getfile?rc000018.pdf | | Full text of the monograph by evan h. appelman (argonne national laboratory , lemont , illinois). [pdf] |
Visual Elements: Astatine « http://www.chemsoc.org/viselements/pages/astatine.html | | General and physical information , source , key isotopes , and ionisation energies. |
WebElements: Astatine « http://www.webelements.com/webelements/elements/text/At/key.html | | Extensive information on history and properties. |
Wikipedia: Astatine « http://en.wikipedia.org/wiki/Astatine | | Properties of the element , including its history , applications , and characteristics. |