44
Ruthenium
Atomic Number44
Atomic Mass101.07 u
CategoryTransition Metal
State at Room TempSolid
Year Discovered1844
About Ruthenium
Named after Ruthenia, the Latin name for Russia. Used to make platinum harder for jewelry and electrical contacts. Increasingly important in electronics and solar cells. Ruthenium compounds show promise in cancer treatment research. Used in the chemical industry as a catalyst. One of the rarest elements in Earths crust.
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