Difference between revisions of "Samarium"
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(New page: {{Element | name=Samarium | symbol=Sm | anumber=62 | amass=150.36 amu | state=Solid | class=Metallic | cstructure=Hexagonal| color=Silvery white; oxidises in moist air | date=1879 | discna...) |
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Revision as of 18:20, November 19, 2008
| Samarium | |
|---|---|
| Properties | |
| Atomic symbol | Sm |
| Atomic number | 62 |
| Classification | Metallic |
| Atomic mass | 150.36 amu |
| Other Information | |
| Date of discovery | 1879 |
| Name of discoverer | Paul Émile Lecoq de Boisbaudran |
| Name origin | From the mineral samarskite. |
| Uses | Used in carbon-arc lighting, permanent magnets, lasers, alloys, headphones and as an absorber in nuclear reactors. |
| Obtained from | The chief ore it is found in is monazite. |
Interestingly, the mineral samarskite after which samarium is named, was named after Vasili Samarsky-Bykhovets, the Chief of Staff (Colonel) of the Russian Corps of Mining Engineers in 1845–1861, thus making samarium the first chemical element to be named after a living person.