Samarium


 * Element Name:** Samarium


 * Element Symbol:** Sm


 * Atomic Mass:** 150[[image:Samarium_Elana.png width="216" height="288" align="right"]][[image:Samarium.gif width="288" height="216" align="right"]]


 * Atomic Number:** 62


 * Protons:** 62


 * Electrons:** 62


 * Discovery:** It was discovered by Lecoq de Boisbaudran in 1879.


 * How It Was Named:** It was named in honor of a Russian mine official, Col. Samarski.


 * State Of Matter:** Solid


 * Melting Point:** 1074°C


 * Boiling Point:** 1794°C


 * Characteristics:**
 * It is a hard silver colored metal
 * It ignites in air at about 150°C
 * It is slightly toxic


 * Uses Of Element:** It is used as carbon-arc lighting for motion pictures.

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 * Interesting Facts:**
 * Samarium is mostly found in China, the USA, Brazil, India, Sri Lanka, and Australia.
 * When Samarium forms a compound with cobalt it makes a powerful magnet.
 * Samarium absorbs neutrons and stops nuclear power stations from exploding.