  |
WebElements: Ruthenium - http://www.webelements.com/webelements/elements/text/Ru/key.html
Extensive information on history, uses, occurrence, compounds, and properties. |
  |
LANL: Ruthenium - http://periodic.lanl.gov/elements/44.html
History, sources, uses, and properties. |
  |
ChemicalElements.com: Ruthenium - http://www.chemicalelements.com/elements/ru.html
Basic information, atomic structure, and table of isotopes. |
  |
Wikipedia: Ruthenium - http://en.wikipedia.org/wiki/Ruthenium
Properties of the element, including its history, applications, and characteristics. |
  |
It's Elemental: Ruthenium - http://education.jlab.org/itselemental/ele044.html
Basic physical and historical information. |
  |
EnvironmentalChemistry.com: Ruthenium - http://environmentalchemistry.com/yogi/periodic/Ru.html
Atomic structure, chemical and physical properties, and table of nuclides. |
  |
Visual Elements: Ruthenium - http://www.chemsoc.org/viselements/pages/ruthenium.html
Image, discovery, uses, source, and physical information. |
  |
ChemGlobe: Ruthenium - http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/44.html
Electronic, thermal, and steric data along with an isotope table. |
 |
Lenntech: Ruthenium - http://www.lenntech.com/Periodic-chart-elements/Ru-en.htm
Physical data, chemical properties, and health effects. |