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Chemical element: Samarium (Sm)
| Atomic Number: | 62 |
| Element Symbol: | Sm |
| Element Name: | Samarium |
| Atomic Weight: | 150.36 |
| Group Name: | Lanthanoid |
| Period Number: | 6 (lanthanoid) |
| Block: | f-block |
| Ground State Configuration: | [Xe] 4f6 6s2 |
| Ground State Level: | 7F0 |
| Standard State: | Solid |
| Bond Length: | 357.9 |
| Atomic Radius Empirical: | 185 |
| Atomic Radius Calculated: | 238 |
| Electron Affinity: | 50 |
| First Ionization Energy: | 544.5 |
| Pauling Electronegativity: | 1.17 |
| Allred Rochow Electronegativity: | 1.07 |
| Density Of Solid: | 7353 |
| Molar Volume: | 19.98 |
| Velocity Of Sound: | 2130 |
| Youngs Modulus: | 50 |
| Rigidity Modulus: | 20 |
| Bulk Modulus: | 38 |
| Poissons Ratio: | 0.27 |
| Brinell Hardness: | 441 |
| Vickers Hardness: | 412 |
| Electrical Resistivity: | 94 |
| Melting Point: | 1072 |
| Boiling Point: | 1803 |
| Thermal Conductivity: | 13 |
| Coefficient Of Linear Expansion: | 12.7 |
| Enthalpy Of Fusion: | 8.6 |
| Enthalpy Of Vaporization: | 175 |
| Enthalpy Of Atmization: | 207 |
| Most Common Oxidation Numbers: | 3 |
| Color: | Silvery white |
| Classification: | Metallic |
| Discovered By: | Paul Emile Lecoq de Boisbaudran |
| Discovered At: | France |
| Discovered When: | 1879 |
| Origin Of Name: | Named after Samarskite (a mineral) |
Calculate the molecular weight of Samarium or molecular weight Sm.
Also see the full list of chemical elements and atomic weights.
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