Uranium

ChemGlobe: Uranium - Electronic, thermal, and steric data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/92.html

ChemicalElements.com: Uranium - Basic information, atomic structure, and isotopes.
www.chemicalelements.com/elements/u.html

Depleted Uranium - Information about depleted uranium in question and answer form.
www.gulflink.osd.mil/faq/faq_du.jsp

The Element Uranium - Basic and advanced technical details and history concerning uranium.
dhost.info/aquatsr/uranium/

EnvironmentalChemistry.com: Uranium - Atomic structure, chemical and physical properties, and table of nuclides.
environmentalchemistry.com/yogi/periodic/U.html

It's Elemental - Isotopes of the Element Uranium - Has an extensive list about the isotopes of uranium. Gives mass number, half life, branching percentage, and decay mode of the isotopes.
education.jlab.org/itselemental/iso092.html

It's Elemental: Uranium - Basic physical and historical information.
education.jlab.org/itselemental/ele092.html

LANL: Uranium - Sources, properties, isotopes, and uses.
periodic.lanl.gov/elements/92.html

Lenntech: Uranium - Physical data, chemical properties, health and environmental effects.
www.lenntech.com/Periodic-chart-elements/U-en.htm

Radioactive Byproducts of Depleted Uranium (Uranium-238) - Shows the byproducs of depleted uranium and shows their half-lives.
www.ccnr.org/decay_U238.html

UIC - Uranium & Nuclear Power Information Centre - The UIC web site is to assist public understanding of uranium mining and nuclear electricity generation.
www.uic.com.au/

Uranium and Its Compounds - Facts about uranium and its compounds, including physical and chemical properties, uses, and possible health effects.
web.ead.anl.gov/uranium/guide/ucompound/

Uranium-235 Chain Reaction - Shows examples uranium reactions in fission, as well as data about those reactions.
hyperphysics.phy-astr.gsu.edu/hbase/nucene/u235chn.html

Uranium (Element) - Some quick facts about uranium, including all the basic info.
www.tamuk.edu/chemistry/WebElements/uranium_element.htm

Uranium: Properties: Element - Very extensive information about the chemical/physical properties of uranium. Information includes the occurrence of uranium, isotopes, and spectrum.
nautilus.fis.uc.pt/st2.5/scenes-e/elem/e09291.html

Visual Elements: Uranium - Image, animation, source, use, and key isotopes.
www.chemsoc.org/viselements/pages/uranium.html

WHO: Depleted Uranium - Information about depleted uranium and its potential health effects.
www.who.int/mediacentre/factsheets/fs257/en/

Wikipedia: Uranium - Properties of the element, including its history, applications, and characteristics.
en.wikipedia.org/wiki/Uranium