| 1. | Binary compounds with sulfur, selenium, and tellurium also exist.
|
| 2. | Tellurium can also be refined by electrolytic reduction of sodium telluride.
|
| 3. | On average, humans ingest about 600 micrograms of tellurium daily.
|
| 4. | It is one of the more stable lower chlorides of tellurium.
|
| 5. | It occurs with native tellurium, rickardite, petzite and sylvanite.
|
| 6. | Selenium and tellurium are produced as byproducts of copper refining.
|
| 7. | Tellurium was first discovered in 1783 by Franz Joseph M�ller von Reichenstein.
|
| 8. | Tellurium makes up 9 parts per billion of the universe by weight.
|
| 9. | Peru, Japan, and Canada are also large producers of tellurium.
|
| 10. | Tellurium is sometimes used as an alternative to sulfur in vulcanized rubber.
|
