Ruthenium

"Ruthenium." Chemicool Periodic Table. Chemicool.com. 18 Oct. 2012. Web. 1/19/2016

<http://www.chemicool.com/elements/ruthenium.html>.

 

 

http://www.webelements.com/ruthenium/physics.html

 

 

"Ruthenium (revised)." Chemical Elements: From Carbon to Krypton. 2006.Encyclopedia.com. 19 Jan. 2016 <http://www.encyclopedia.com>.

 

 

http://education.jlab.org/itselemental/ele044.html

 

 

http://www.webelements.com/ruthenium/compounds.html