Open Directory - Science: Chemistry: Elements: Thallium

See also:

ChemicalElements.com: Thallium - Basic information, atomic structure, and isotopes.
EnvironmentalChemistry.com: Thallium - Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Thallium - Basic physical and historical information.
Lenntech: Thallium - Physical data, chemical properties, health and environmental effects.
USGS Minerals Information: Thallium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Visual Elements: Thallium - Image, source, uses, physical information, and key isotopes.
WebElements: Thallium - Extensive information on history, uses, occurrence, compounds, and properties.
Wikipedia: Thallium - Properties of the element, including its history, applications, and characteristics.

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Last update: Wednesday, January 13, 2010 12:59:07 PM EST - edit