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samarium

A bright, silvery, lustrous, metallic element of the rare-earth group. Symbol, Sm. It is found along with other members of the rare-earth elements in many minerals, including 2747 monazite and bastnasite, which are commercial sources. Used for carbon-arc lighting for the motion picture industry, for permanent magnets, and in optical masers and lasers.

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Penulis

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 poin
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