samarium oxide

См. также в других словарях:

• samarium — Symbol: Sm Atomic number: 62 Atomic weight: 150.35 Soft silvery metallic element, belongs to the lanthanoids. Seven natural isotopes, Sm 147 is the only radioisotope, and has a half life of 2.5*10^11 years. Used for making special alloys needed… …   Elements of periodic system

• Samarium — promethium ← samarium → europium ↑ Sm ↓ …   Wikipedia

• samarium — /seuh mair ee euhm/, n. Chem. a rare earth metallic element discovered in samarskite. Symbol: Sm; at. wt.: 150.35; at. no.: 62; sp. gr.: 7.49. [1875 80; < NL; see SAMARSKITE, IUM] * * * ▪ chemical element  (Sm), chemical element, rare earth metal …   Universalium

• Samarium(III) oxide — Chembox new Name = Samarium(III) oxide ImageFile = Samarium(III) oxide.jpg ImageName = Samarium(III) oxide OtherNames = Section1 = Chembox Identifiers CASNo = 12060 58 1 Section2 = Chembox Properties Formula = Sm2O3 MolarMass = 348.72 g/mol… …   Wikipedia

• Cerium(IV) oxide — Cerium(IV) oxide …   Wikipedia

• Prices of elements and their compounds — This table lists the elements by their name and gives some recent historical prices for them and their commonly traded compounds. The first of the two price columns shows the price in US dollars per kg of the compound specified. The second shows… …   Wikipedia

• rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

• Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh …   Wikipedia

• luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

• Neodymium — praseodymium ← neodymium → promethium ↑ Nd ↓ U …   Wikipedia

• Europium — (pronEng|jʊˈroʊpiəm) is a chemical element with the symbol Eu and atomic number 63. It was named after the continent Europe. Characteristics Europium is the most reactive of the rare earth elements; it rapidly oxidizes in air, and resembles… …   Wikipedia