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.