Ruthenium

=Ruthenium= By: Milena


 * Atomic Number:** 44


 * Protons:** 44


 * Electrons:** 44


 * Neutrons:** 57


 * Average Atomic Mass:** 101.07


 * Discovery:** Jedrzej Sniadecki discovered Ruthenium in 1807, but he withdrew his claim after other scientists failed to replicate his results. In 1844 Karl Karlovich Klaus discovered Ruthenium. This time he was able to prove his claim.


 * Name:** Ruthenium was named after Ruthenia, the Latin word for a historical area called Rus.


 * Uses:** Ruthenium is used as an alloying agent.It helps metals resist corrosion.


 * Interesting Facts**: Ruthenium is used in solar energy technology, as anti-cancer medicine, and also is used in platinum alloys. Its crystal structure is hexagonal. Ruthenium's boiling point is 7502 degrees farenheight

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 * Sources**


 * Video:http://www.youtube.com/watch?v=wl5ZYb0hDTc&feature=player_embedded#at=14
 * http://www.chemicalelements.com/elements/ru.html
 * http://education.jlab.org/itselemental/ele044.html
 * http://en.wikipedia.org/wiki/Ruthenium#History
 * http://www.facts-about.org.uk/science-element-ruthenium.htm