Atomic Number: | 42 |
Element Symbol: | Mo |
Element Name: | Molybdenum |
Atomic Weight: | 95.94 |
Group Number: | 6 |
Group Name: | none |
Period Number: | 5 |
Block: | d-block |
Ground State Configuration: | [Kr] 4d5 5s |
Ground State Level: | 7S3 |
Standard State: | Solid |
Bond Length: | 272.5 |
Atomic Radius Empirical: | 145 |
Atomic Radius Calculated: | 190 |
Covalent Radius Empirical: | 145 |
Electron Affinity: | 71.9 |
First Ionization Energy: | 684.3 |
Pauling Electronegativity: | 2.16 |
Sanderson Electronegativity: | 1.15 |
Allred Rochow Electronegativity: | 1.30 |
Density Of Solid: | 10280 |
Molar Volume: | 9.38 |
Velocity Of Sound: | 6190 |
Youngs Modulus: | 329 |
Rigidity Modulus: | 20 |
Bulk Modulus: | 230 |
Poissons Ratio: | 0.31 |
Mineral Hardness: | 5.5 |
Brinell Hardness: | 1500 |
Vickers Hardness: | 1530 |
Electrical Resistivity: | 5 |
Reflectivity: | 58 |
Melting Point: | 2623 |
Boiling Point: | 4639 |
Superconduction Temperature: | -272.235 |
Thermal Conductivity: | 139 |
Coefficient Of Linear Expansion: | 4.8 |
Enthalpy Of Fusion: | 36 |
Enthalpy Of Vaporization: | 600 |
Enthalpy Of Atmization: | 659 |
Most Common Oxidation Numbers: | 6,4 |
Color: | Grey metallic |
Classification: | Metallic |
Discovered By: | Carl William Scheele |
Discovered At: | Sweden |
Discovered When: | 1781 |
Origin Of Name: | From the Greek word molybdos meaning lead |
Calculate the molecular weight of Molybdenum or molecular weight Mo.
Also see the full list of chemical elements and atomic weights.