Difference between revisions of "Rubidium"
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{{Element | name=Rubidium | symbol=Rb | anumber=37 | amass=85.47 amu | noe=37 | class=Alkali metal | cstructure=Body-Centered Cubic | color=Silver | date=1861 | discname=[[Bunsen, R.W. and Kirchoff, G.]] | origname=From the Latin ''Rubidius'', meaning "deep red" | uses=scientific research | obtained=lepidolite, pollucite, carnallite }} | {{Element | name=Rubidium | symbol=Rb | anumber=37 | amass=85.47 amu | noe=37 | class=Alkali metal | cstructure=Body-Centered Cubic | color=Silver | date=1861 | discname=[[Bunsen, R.W. and Kirchoff, G.]] | origname=From the Latin ''Rubidius'', meaning "deep red" | uses=scientific research | obtained=lepidolite, pollucite, carnallite }} | ||
| − | Rubidium is an element<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>in the Alkali metals class of the periodic table. It is so chemically active that it is never found free (in elemental form) in nature, and can sometimes catch fire on mere exposure to air. | + | '''Rubidium''' is an element<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>in the Alkali metals class of the periodic table. It is so chemically active that it is never found free (in elemental form) in nature, and can sometimes catch fire on mere exposure to air. |
It was discovered by Robert Bunsen and Gustav Kirchoff, using their newly invented spectroscope. It (along with [[cesium]]) was identified by a previously unseen red spectral line in the analysis of mineral water from a German spa. The name comes from that color. | It was discovered by Robert Bunsen and Gustav Kirchoff, using their newly invented spectroscope. It (along with [[cesium]]) was identified by a previously unseen red spectral line in the analysis of mineral water from a German spa. The name comes from that color. | ||
Revision as of 16:55, May 21, 2007
| Rubidium | |
|---|---|
| Properties | |
| Atomic symbol | Rb |
| Atomic number | 37 |
| Classification | Alkali metal |
| Atomic mass | 85.47 amu |
| Other Information | |
| Date of discovery | 1861 |
| Name of discoverer | Bunsen, R.W. and Kirchoff, G. |
| Name origin | From the Latin Rubidius, meaning "deep red" |
| Uses | scientific research |
| Obtained from | lepidolite, pollucite, carnallite |
Rubidium is an element[1]in the Alkali metals class of the periodic table. It is so chemically active that it is never found free (in elemental form) in nature, and can sometimes catch fire on mere exposure to air.
It was discovered by Robert Bunsen and Gustav Kirchoff, using their newly invented spectroscope. It (along with cesium) was identified by a previously unseen red spectral line in the analysis of mineral water from a German spa. The name comes from that color.
References
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000