About site: Chemistry/Elements/Ruthenium - It's Elemental: Ruthenium
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Title: Chemistry/Elements/Ruthenium - It's Elemental: Ruthenium Basic physical and historical information.
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Ruthenium Data tables and historic information.

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WebElements__Ruthenium Extensive information on history, uses, occurrence, compounds, and properties.

Wikipedia__Ruthenium Properties of the element, including its history, applications, and characteristics.


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It's Elemental - The Element RutheniumPrivacy and Security NoticeJefferson LabJefferson Lab HomeSearchContact JLabScience Education----------------------Science Education HomeTeacher ResourcesStudent ZoneGames and PuzzlesPrograms and EventsSearch EducationIt's ElementalPrevious ElementPrevious ElementTable of ElementsNext ElementNext Element 44RuRuthenium101.07RutheniumAtomic Number:44Atomic Weight:101.07Melting Point:2607 K (2334°C or 4233°F)Boiling Point:4423 K (4150°C or 7502°F)Density:12.1 grams per cubic centimeterPhase at Room Temperature:SolidElement Classification:MetalPeriod Number:5Group Number:8Group Name:noneWhat's in a name?From the Latin word for the country of Russia, Ruthenia.Say what?Ruthenium is pronounced as roo-THE-ni-em.History and Uses:Ruthenium was discovered by Karl Karlovich Klaus, a Russian chemist, in 1844 while analyzing the residue of a sample of platinum ore obtained from the Ural mountains. Apparently, Jedrzej Sniadecki, a Polish chemist, had produced ruthenium in 1807 but he withdrew his claim of discovery after other scientists failed to replicate his results. Ruthenium tends to occur along with deposits of platinum and is primarily obtained as a byproduct of mining and refining platinum. Ruthenium is also obtained as a byproduct of the nickel mining operation in the Sudbury region of Ontario, Canada.Ruthenium is primarily used as an alloying agent. Adding 0.1% ruthenium to titanium makes titanium 100 times more resistant to corrosion. Small amounts of ruthenium are added to platinum and palladium to strengthen them. These alloys are used in jewelry and in electrical contacts that must resist wear.Estimated Crustal Abundance:1×10-3 milligrams per kilogramEstimated Oceanic Abundance:7×10-7 milligrams per literNumber of Stable Isotopes:7(View all isotope data)Ionization Energy:7.361 eVOxidation State:+3Electron Shell Configuration:1s22s22p63s23p63d104s24p64d75s1This page is maintained by Steve Gagnon.Citation and linking information
 

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