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{{reflist|2}}
{{reflist|2}}
==External Resources==
==External links==
http://www.chemicool.com/elements/ruthenium.html
*http://www.chemicool.com/elements/ruthenium.html
*http://www.rsc.org/periodic-table/element/44/ruthenium
http://www.rsc.org/periodic-table/element/44/ruthenium
{{Periodic table}}
{{Periodic table}}