Show Elements
| ID | 27 |
|---|---|
| Symbol | Tm |
| Image | |
| Name | Thulium |
| Density (g/cm<sup>3</sup>) | 9.32 |
| Atomic Number | 69 |
| Molecular Weight | 169 |
| Melting Point (K) | 1818 |
| Boiling Point (K) | 2223 |
| Specific Heat Capacity (J/kg K) | 160 |
| Electro Negativity | 1.25 |
| Curie temperature (K) | |
| Bohr Magneton (J/T) | |
| Magnetization Saturation (MA m<sup>-1</sup>) | |
| Crystal Structure | Hexagonal close-packed (hcp) |
| Appearance | Silvery gray |
| Element category | Lanthanide |
| Magnetic ordering | Paramagnetic |
| Discovery | Per Teodor Cleve (1879) |
| General Information | Thulium emits blue light upon excitation, a property that is exploited in flat panel display screens. Thulium also has useful applications in low-levelradiation detection and other luminescence applications, such as halide discharge lamps. |
| Image source | https://i0.wp.com/periodic-table.com/wp-content/uploads/2019/01/Thulium.jpg?fit=248%2C203&ssl=1 |
| General informations source | https://www.americanelements.com/tm.html |