Element: ruthenium |
Name : ruthenium |
Symbol : Ru |
Atomicnumber : 44 |
Relativeatomicmass : 101.07 (2) g [see note g] |
Standardstate : solid at 298 K |
Appearance : silvery white metallic |
Classification : Metallic |
Groupinperiodictable : 8 |
Groupname : Precious metal or Platinum group metal |
Periodinperiodictable : 5 |
Blockinperiodictable : d |
Shellstructure : 2.8.18.15.1 |
CASRegistry : 7440-18-8 |
Description : Ruthenium is a hard, white metal. It does not tarnish at room temperatures, but oxidises in air at about 800°C. |