Ruthenium is a chemical element; it has symbol Ru and atomic number 44. It is a rare transition metal belonging to the See more

Ruthenium, a polyvalent hard white metal, is a member of the platinum group and is in group 8 of the periodic table:
Whereas all other group 8 elements have two electrons in the outermost shell, in ruthenium, … See more

Roughly 30 tonnes of ruthenium are mined each year with world reserves estimated at 5,000 tonnes. The composition of the mined platinum group metal (PGM) mixtures varies widely, depending on the geochemic… See more

The oxidation states of ruthenium range from 0 to +8, and −2. The properties of ruthenium and osmium compounds are often similar. The +2, +3, and +4 states are the most common. The most prevalent precursor is … See more