| ChemicalElements_com__Ruthenium Basic information, atomic structure, and table of isotopes. |
| EnvironmentalChemistry_com__Ruthenium Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Ruthenium Basic physical and historical information. |
| LANL__Ruthenium History, sources, uses, and properties. |
| Lenntech__Ruthenium Physical data, chemical properties, and health effects. |
| Ruthenium Data tables and historic information. |
| Visual_Elements__Ruthenium Image, discovery, uses, source, and physical information. |
| WebElements__Ruthenium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Ruthenium Properties of the element, including its history, applications, and characteristics. |
| Addresses_of_Coptologists Contact information, including email addresses, of Coptologists, from the International Association for Coptic Studies. |
| Adkins,_Lesley_and_Roy Archaeologists and authors of The Keys of Egypt and other books on archaeology, history and hieroglyphs. |
| Bankes,_William_John_(1786-1855) A biography of the explorer who traveled to Egypt and Nubia in the early 19th century and became an early Egyptian epigrapher. |
| Bell,_Lanny Professor of Egyptology at Brown University. Photograph, interests and publications. |
| Brovarski,_Edward Professor of Egyptology at Brown University. Interests and publications. |
| Depuydt,_Leo Associate Professor at Brown University, interested in Egyptian history and grammar. Photograph and publications. |
| Directory_of_Institutions_and_Scholars_Involved_in_Demotic_Studies Extensive list with contact information from the Oriental Institute, University of Chicago. |
| Directory_of_North_American_Egyptologists Find individuals, institutions, and dissertations relating to American Egyptology. Sponsored by Oriental Institute of the University of Chicago and the University of Arizona Egyptian Expedition. |
| Dodson,_Aiden Profile of this University of Bristol Visiting Fellow. Research interests include Egyptian funerary archaeology, dynastic history, and the history of Egyptology. |
| Email_Addresses_of_Australian_Egyptologists Listed alphabetically. |
| Fildes,_Alan Articles, photo gallery, and links from this specialist in the Old Kingdom with a particular interest in pyramid sites and their related mastaba fields. |
| Gardiner,_Alan_(1879-1963) Biography of one of the premier Egyptologists of the early twentieth century. |
| Lesko,_Leonard_H_ Charles Edwin Wilbour Professor of Egyptology and Chairman of the Department of Egyptology at Brown University. Biographical information as well as interests and publications. |
| Naville,_Henri_Edouard_(1844-1926) Profile of this University of Geneva professor who was the vice-president of the Egypt Exploration Society and a Foreign Associate of the Institute of France. |
| Piccione,_Peter_A_ Assistant Professor of Comparative Ancient History, University of Charleston. Photographs and biographical abstract of this Egyptologist. |
| Redford,_Donald Curriculum vitae of the Professor of Classics and Ancient Mediterranean Studies, Penn State University. |
| Romer,__John Photographs, brief biography and bibliography of the Egyptologist and television documentary maker, with related links. |
| Ryan,_Donald_P_ Archaeologist at the Pacific Lutheran University who has directed several seasons of fieldwork in the Valley of the Kings. Photograph, research interests and projects. |
| Werner,_Edward_K_ Assistant Director, St. Lucie County Library System. Brief autobiography and publication list of this Egyptologist and librarian. |
| Winlock,_Herbert_E__(1884-1950) An illustrated biography of this American Egyptologis from the Giants of Egyptology series in Kmt: A Modern Journal of Ancient Egypt. |
| The_Sheikh_of_Archaeology_wins_Best_Book_Award_for_1999 From ArabicNews, Hassan Al-Basha won the best book award in the area of dictionaries and encyclopedias for his encyclopedia of architecture, archaeology and Islamic arts. (November 5, 2001) |
| ChemicalElements_com__Yttrium Basic information, atomic structure, and isotopes. |
| The_Columbia_Encyclopedia__Yttrium Overview for the general reader. |
| EnvironmentalChemistry_com__Yttrium Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Yttrium Basic physical and historical information. |
| LANL__Yttrium History, sources, properties, uses, and isotopes. |
| Lenntech__Yttrium Physical data, chemical properties, health and environmental effects. |
| Visual_Elements__Yttrium Image, animation, uses, physical information, and ionisation energies. |
| WebElements__Yttrium Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Yttrium Properties of the element, including its history, applications, and characteristics. |
| Yttrium Data tables and historic information. |
Atomic Number:
88
Atomic Radius:
223 pm
Atomic Symbol:
Ra
Melting Point:
700 ºC
Atomic Weight:
226.0254
Boiling Point:
1140 ºC
Electron Configuration:
[Rn]7s2
Oxidation
States:
2
Sources: CRC Handbook of Chemistry
and Physics and the American Chemical Society.
Last Updated: 12/18/2003,©
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