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Thallium Element
| Thallium |
| Atomic Number |
: 81 |
| Atomic Weight |
: 204.3833 |
| Boiling Point |
: 1473oC |
| Melting Point |
: 304oC |
| Phase at Room Temperature: |
: Solid |
| Element Classification: |
: Metal |
| Period Number: |
: 6 |
| Discovered Year: |
: 1861 |
| Discovered by: |
: William Crookes |
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Periodic Table
Periodic Table Elements
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