Atomic Number: | 75 |
Element Symbol: | Re |
Element Name: | Rhenium |
Atomic Weight: | 186.207 |
Group Number: | 7 |
Group Name: | none |
Period Number: | 6 |
Block: | d-block |
Ground State Configuration: | [Xe] 4f14 5d5 6s2 |
Ground State Level: | 6S5/2 |
Standard State: | Solid |
Bond Length: | 274.1 |
Atomic Radius Empirical: | 135 |
Atomic Radius Calculated: | 188 |
Covalent Radius Empirical: | 159 |
Electron Affinity: | 14.5 |
First Ionization Energy: | 760 |
Pauling Electronegativity: | 1.9 |
Allred Rochow Electronegativity: | 1.46 |
Density Of Solid: | 21020 |
Molar Volume: | 8.86 |
Velocity Of Sound: | 4700 |
Youngs Modulus: | 463 |
Rigidity Modulus: | 178 |
Bulk Modulus: | 370 |
Poissons Ratio: | 0.30 |
Mineral Hardness: | 7.0 |
Brinell Hardness: | 1320 |
Vickers Hardness: | 2450 |
Electrical Resistivity: | 18 |
Melting Point: | 3186 |
Boiling Point: | 5596 |
Superconduction Temperature: | -271.4 |
Thermal Conductivity: | 48 |
Coefficient Of Linear Expansion: | 6.2 |
Enthalpy Of Fusion: | 33 |
Enthalpy Of Vaporization: | 705 |
Enthalpy Of Atmization: | 776 |
Most Common Oxidation Numbers: | 4 |
Color: | Greyish white |
Classification: | Metallic |
Discovered By: | Walter Noddack, Ida Tacke, Otto Berg |
Discovered At: | Germany |
Discovered When: | 1925 |
Origin Of Name: | From the Greek word Rhenus meaning river Rhine |
Calculate the molecular weight of Rhenium or molecular weight Re.
Also see the full list of chemical elements and atomic weights.