| Ruthenium
|
| Name | Ruthenium
|
| Symbol | Ru
|
| Atomic number | 44
|
| Atomic mass | 101.07 amu
|
| Normal state
| Solid
|
| Classification
| Transition Metals
|
| Crystal structure
| Hexagonal
|
| Color
| Silvery-white
|
| Date of discovery
| 1844
|
| Name of discoverer
| Karl Klaus (Polish chemist Jędrzej Śniadecki isolated element 44 in 1807. However his work was never verified, and he later withdrew his claim.)
|
| Name origin
| From Ruthenia, the Latin name of Russia.
|
| Uses
| Used to harden platinum and palladium. Also used in eye treatments, fountain pen tips, and electrical contacts.
|
| Obtained from
| Produced as a by-product of nickel refining.
|