Mercury

ChemGlobe: Mercury - Electronic, thermal, and steric data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/80.html

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

EnvironmentalChemistry.com: Mercury : Nuclides - Extensive information on the nuclides of mercury, including potential parent nuclides.
environmentalchemistry.com/yogi/periodic/Hg-pg2.html

It's Elemental: Mercury - Basic physical and historical information.
education.jlab.org/itselemental/ele080.html

LANL: Mercury - Basic information, history, and uses.
periodic.lanl.gov/elements/80.html

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

Mercury - A very brief description of Mercury, with a good diagram of its electron orbitals.
www.pleasantridge.k12.ca.us/magnolia/elements/mercury/mercury1.html

Mercury and Methylmercury by IC-ICPMS - Analysis of biological, pharmaceutical, and environmental samples for methylmercury and mercury.
www.wcas.com/tech/methylhg.htm

Mercury, Get Mad Now, Not Later - Gives a description of mercury, as well as its uses and environmental and health hazards associated with it.
www.wlssd.duluth.mn.us/publications/mercury.htm

Mercury in Space - Answers the question of what happens to Mercury in space.
www.newton.dep.anl.gov/askasci/phy99/phy99189.htm

Mercury in the Laboratory - Practical considerations when working with mercury in the laboratory.
www.ilpi.com/safety/mercury.html

USGS Minerals Information: Mercury - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
minerals.usgs.gov/minerals/pubs/commodity/mercury/

Vermont Legislative Research Shop - Mercury Information - Features basic information about Mercury, as well as its harmful effects and legislation concerning Mercury in some American States.
www.uvm.edu/~vlrs/doc/mercury.htm

Visual Elements: Mercury - Image, general and physical information, source, uses, key isotopes, and ionisation energies.
www.chemsoc.org/viselements/pages/mercury.html

Why is Mercury liquid at room temperature? - Explores the question of why Mercury is liquid at room temperature. It also provides some links to other sites regarding this chemistry quandary.
www.zyra.org.uk/mercliq.htm

Why Worry About Mercury : Chemical Properties - Gives some chemical properties of mercury, as well as hazard precautions when dealing with mercury.
pasture.ecn.purdue.edu/~mercury/src/why2.htm#properties

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

Radiochemistry of Mercury - Full text of the monograph by Josef Roesmer (Westinghouse Astronuclear Laboratory, Pittsburgh, Pennsylvania). [PDF] <small>(September, 1970)</small>
lib-www.lanl.gov/cgi-bin/getfile=3frc000030.pdf