| Atomic Number: | 44 |
| Element Symbol: | Ru |
| Element Name: | Ruthenium |
| Atomic Weight: | 101.07 |
| Group Number: | 8 |
| Group Name: | Precious metal or Platinum group metal |
| Period Number: | 5 |
| Block: | d-block |
| Ground State Configuration: | [Kr] 4d7 5s |
| Ground State Level: | 5F5 |
| Standard State: | Solid |
| Bond Length: | 265.0 |
| Atomic Radius Empirical: | 130 |
| Atomic Radius Calculated: | 178 |
| Covalent Radius Empirical: | 126 |
| Electron Affinity: | 101.3 |
| First Ionization Energy: | 710.2 |
| Pauling Electronegativity: | 2.2 |
| Allred Rochow Electronegativity: | 1.42 |
| Density Of Solid: | 12370 |
| Molar Volume: | 8.17 |
| Velocity Of Sound: | 5970 |
| Youngs Modulus: | 447 |
| Rigidity Modulus: | 173 |
| Bulk Modulus: | 220 |
| Poissons Ratio: | 0.30 |
| Mineral Hardness: | 6.5 |
| Brinell Hardness: | 2160 |
| Electrical Resistivity: | 7.1 |
| Melting Point: | 2334 |
| Boiling Point: | 4150 |
| Superconduction Temperature: | -272.66 |
| Thermal Conductivity: | 120 |
| Coefficient Of Linear Expansion: | 6.4 |
| Enthalpy Of Fusion: | 25.7 |
| Enthalpy Of Vaporization: | 580 |
| Enthalpy Of Atmization: | 652 |
| Most Common Oxidation Numbers: | 4,3 |
| Color: | Silvery white metallic |
| Classification: | Metallic |
| Discovered By: | Karl Karlovich Klaus |
| Discovered At: | Russia |
| Discovered When: | 1844 |
| Origin Of Name: | From the Latin word Ruthenia meaning Russia |
Calculate the molecular weight of Ruthenium or molecular weight Ru.
Also see the full list of chemical elements and atomic weights.