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Thulium Element
| Thulium |
| Atomic Number |
: 69 |
| Atomic Weight |
: 168.93421 |
| Boiling Point |
: 1950oC |
| Melting Point |
: 1545oC |
| Phase at Room Temperature: |
: Solid |
| Element Classification: |
: Metal |
| Period Number: |
: 6 |
| Discovered Year: |
: 1879 |
| Discovered by: |
: Per Theodore Cleve |
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Periodic Table
Periodic Table Elements
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