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General information about Tellurium |
| Tellurium |
| Te |
| 52 |
| Metalloids |
| 16 |
| 5 |
| p |
| silvery lustrous gray |
| 127.60(3) g·mol-1 |
1s2 2s2p6 3s2p6d10
4s2p6d10 5s2p4 |
| 2, 8, 18, 18, 6 |
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Physical properties of Tellurium |
| solid |
| 6.24 g·cm-3 |
| 722.66(K),
449.51°C, 841.12 °F |
| 1261(K),
988°C, 1810 °F |
| ? |
| ? |
| 17.49 kJ·mol-1 |
| 114.1 kJ·mol-1 |
| 25.73 J·mol-1·K-1 |
| 2.10 (Pauling scale) |
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Atomic structure of Tellurium |
| 1.42 Å |
| 20.5 cm³/mol |
| 1.36 Å |
| 4.7 |
| Hexagonal |
| ? |
| 5p4 |
| 52 |
| 76 |
| 52 |
| -2, 2, 4, 6 |
| 5s2p4 |
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Electron dot
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Other languages |
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| Latin: |
Tellurium |
| Czech: |
Tellur |
| Croatian: |
Telurij |
| French: |
Tellure |
| German: |
Tellur - r |
| Italian: |
Tellurio |
| Norwegian: |
Tellur |
| Portuguese: |
Telúrio |
| Spanish: |
Teluro |
| Swedish: |
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| Element |
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Brief description |
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Obtained as a by-product of copper and lead refining. Annual world production is around 215 tons.
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Uses of Tellurium |
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Used to improve the machining quality of metal products and to color glass and ceramics. Also used in thermoelectric devices, vulcanization of rubber, percussion caps, battery plate protectors and electrical.
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Hystory of Tellurium |
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- Discoverer: Baron Franz Müller von Reichenstein
- Discovery Location: Romania
- Discovery Year: 1783
- Name Origin: Greek: tellus (the Earth).
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