Home > Science > Chemistry > Elements > Thallium
http://www.chemicalelements.com/elements/tl.html
Basic information, atomic structure, and isotopes.
http://environmentalchemistry.com/yogi/periodic/Tl.html
Atomic structure, chemical and physical properties, and table of nuclides.
http://education.jlab.org/itselemental/ele081.html
Basic physical and historical information.
http://minerals.usgs.gov/minerals/pubs/commodity/thallium/
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
http://www.webelements.com/thallium/
Extensive information on history, uses, occurrence, compounds, and properties.
http://en.wikipedia.org/wiki/Thallium
Properties of the element, including its history, applications, and characteristics.
Home > Science > Chemistry > Elements > Thallium
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