Ruthenium is a rare, precious metal often used in electrical contacts and in catalysis. It is a member of the platinum group of metals.
| Property | Value |
|---|---|
| Atomic Number | 44 |
| Symbol | Ru |
| Atomic Mass | 101.07 u |
| Electron Configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d7 |
| State at Room Temperature | Solid |