ChemGlobe: Yttrium - http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/39.html
Electronic, thermal, and steric data along with an isotope table. |
ChemicalElements.com: Yttrium - http://www.chemicalelements.com/elements/y.html
Basic information, atomic structure, and isotopes. |
EnvironmentalChemistry.com: Yttrium - http://environmentalchemistry.com/yogi/periodic/Y.html
Atomic structure, chemical and physical properties, and table of nuclides. |
It's Elemental: Yttrium - http://education.jlab.org/itselemental/ele039.html
Basic physical and historical information. |
LANL: Yttrium - http://periodic.lanl.gov/elements/39.html
History, sources, properties, uses, and isotopes. |
Lenntech: Yttrium - http://www.lenntech.com/Periodic-chart-elements/Y-en.htm
Physical data, chemical properties, health and environmental effects. |
Visual Elements: Yttrium - http://www.chemsoc.org/viselements/pages/yttrium.html
Image, animation, uses, physical information, and ionisation energies. |
WebElements: Yttrium - http://www.webelements.com/webelements/elements/text/Y/key.html
Extensive information on history, uses, occurrence, compounds, and properties of the element. |
Wikipedia: Yttrium - http://en.wikipedia.org/wiki/Yttrium
Properties of the element, including its history, applications, and characteristics. |