Thallium (Tl)
Noble Metals | Atomic Number: 81
Basic Properties
Tl
81
204.38 g/mol
| Element Category | Noble Metals |
|---|---|
| Atomic Number | 81 |
| Atomic Weight | 204.38 g/mol |
Crystal Structure Visualization
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Description
A soft, malleable post-transition metal that is highly toxic
| Density | 11.85 g/cm³ |
|---|
| Tensile Strength | N/A |
|---|---|
| Hardness | 1.5 Mohs |
| Melting Point | 304°C |
|---|---|
| Boiling Point | 1473°C |
| No electrical properties data available |
| Corrosion Resistance | Poor |
|---|
Applications
Electronic devices, special glass, low-melting alloys, medical imaging
Production Methods
Obtained as a byproduct of sulfidic ore refining.
History
Discovered in 1861.