Internet Encyclopedia of Science
INORGANIC CHEMISTRY
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

                   • HOME
• ABOUT
• CATEGORIES
• USE OF TEXT AND IMAGES
• NEWSLETTER

  



samarium (Sm)


samarium
Distilled, crystalline samarium.
Image copyright: smart-elements.com
A gray-white metallic element of the lanthanide series, first identified spectroscopically in 1879. Its chief ores are monazite and bastnaesite. Samarium is used in carbon-arc lamps, as a moderator in nuclear reactors, and as a catalyst. Some samarium alloys are used for making powerful permanent magnets. Samarium's most common isotope is 152Sm (26.72%).


atomic number 62
relative atomic mass 150.35
relative density 7.52
melting point 1,072°C (1,962°F)
boiling point 3,791°C (3,256°F)


Related category

   • INORGANIC CHEMISTRY


Also on this site:

Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History




BACK TO TOP