Atomic Number: | 45 |
Element Symbol: | Rh |
Element Name: | Rhodium |
Atomic Weight: | 102.90550 |
Group Number: | 9 |
Group Name: | Precious metal or Platinum group metal |
Period Number: | 5 |
Block: | d-block |
Ground State Configuration: | [Kr] 4d8 5s |
Ground State Level: | 4F9/2 |
Standard State: | Solid |
Bond Length: | 269.0 |
Atomic Radius Empirical: | 135 |
Atomic Radius Calculated: | 173 |
Covalent Radius Empirical: | 135 |
Electron Affinity: | 109.7 |
First Ionization Energy: | 719.7 |
Pauling Electronegativity: | 2.28 |
Allred Rochow Electronegativity: | 1.45 |
Density Of Solid: | 12450 |
Molar Volume: | 8.28 |
Velocity Of Sound: | 4700 |
Youngs Modulus: | 275 |
Rigidity Modulus: | 150 |
Bulk Modulus: | 380 |
Poissons Ratio: | 0.26 |
Mineral Hardness: | 6.0 |
Brinell Hardness: | 1100 |
Vickers Hardness: | 1246 |
Electrical Resistivity: | 4.3 |
Reflectivity: | 84 |
Melting Point: | 1964 |
Boiling Point: | 3695 |
Thermal Conductivity: | 150 |
Coefficient Of Linear Expansion: | 8.2 |
Enthalpy Of Fusion: | 21.7 |
Enthalpy Of Vaporization: | 495 |
Enthalpy Of Atmization: | 556 |
Most Common Oxidation Numbers: | 3 |
Color: | Silvery white metallic |
Classification: | Metallic |
Discovered By: | William Hyde Wollaston |
Discovered At: | England |
Discovered When: | 1803 |
Origin Of Name: | From the Greek word rhodon meaning rose |
Calculate the molecular weight of Rhodium or molecular weight Rh.
Also see the full list of chemical elements and atomic weights.