Difference between revisions of "Rhenium"
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Revision as of 04:22, October 15, 2012
Rhenium | |
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Properties | |
Atomic symbol | Re |
Atomic number | 75 |
Classification | Transition Metals |
Atomic mass | 186.207 amu |
Other Information | |
Date of discovery | 1925 |
Name of discoverer | Walter Noddack, Ida Tacke, and Otto Berg |
Name origin | From the Greek name for the Rhine River, Rhenus. |
Uses | It is added to tungsten and molybdenum alloys. Also used in refractory metal components of missiles, electronic filaments, electrical contacts, high-temperature thermocouplers, oven filaments, electrodes, igniters for flash bulbs, jewelry, plating of metals by electrolysis and vapor-phase deposition. |
Obtained from | Found in small amounts in gadolinite and molybdenite; usually extracted from the flue dusts of molybdenum smelters. |
Periodic Table of the Elements | ||||||||||||||||||||||||
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1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |||||||
75
Re 186.2 |
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*Lanthanides | ||||||||||||||||||||||||
**Actinides | ||||||||||||||||||||||||