| Atomic Number: | 66 |
| Element Symbol: | Dy |
| Element Name: | Dysprosium |
| Atomic Weight: | 162.500 |
| Group Name: | Lanthanoid |
| Period Number: | 6 (lanthanoid) |
| Block: | f-block |
| Ground State Configuration: | [Xe] 4f10 6s2 |
| Ground State Level: | 5I8 |
| Standard State: | Solid |
| Bond Length: | 350.3 |
| Atomic Radius Empirical: | 175 |
| Atomic Radius Calculated: | 228 |
| Electron Affinity: | 50 |
| First Ionization Energy: | 573.0 |
| Pauling Electronegativity: | 1.22 |
| Allred Rochow Electronegativity: | 1.10 |
| Density Of Solid: | 8551 |
| Molar Volume: | 19.01 |
| Velocity Of Sound: | 2710 |
| Youngs Modulus: | 61 |
| Rigidity Modulus: | 25 |
| Bulk Modulus: | 41 |
| Poissons Ratio: | 0.25 |
| Brinell Hardness: | 500 |
| Vickers Hardness: | 540 |
| Electrical Resistivity: | 91 |
| Melting Point: | 1407 |
| Boiling Point: | 2567 |
| Thermal Conductivity: | 11 |
| Coefficient Of Linear Expansion: | 9.9 |
| Enthalpy Of Fusion: | 11.1 |
| Enthalpy Of Vaporization: | 280 |
| Enthalpy Of Atmization: | 290 |
| Most Common Oxidation Numbers: | 3 |
| Color: | Silvery white |
| Classification: | Metallic |
| Discovered By: | Paul Emile Lecoq de Boisbaudran |
| Discovered At: | France |
| Discovered When: | 1886 |
| Origin Of Name: | From the Greek word dysprositos meaning hard to obtain |
Calculate the molecular weight of Dysprosium or molecular weight Dy.
Also see the full list of chemical elements and atomic weights.