WebSeveral elements have two close-packed structures: lanthanum and cerium have the fcc and dhcp structures, samarium has the Sm-type and hcp structures, and ytterbium has the fcc and hcp structures. The existence of these structures depends upon the temperature. WebSamarium - Sm Chemical properties of samarium - Health effects of samarium - …

Samarium – Uses, Properties and Compounds - Vedantu

WebSamarium. (Sm) From Wikipedia, the free encyclopedia Samarium is a chemical element with symbol Sm and atomic number 62. It is a moderately hard silvery metal that readily oxidizes in air. Being a typical member of the lanthanide series, samarium usually assumes the oxidation state +3. Read more on Wikipedia. With the average concentration of about 8 parts per million (ppm), samarium is the 40th most abundant element in the Earth's crust. It is the fifth most abundant lanthanide and has a higher concentration than many other elements such as tin (which has an average concentration of 2 ppm). Samarium concentration in soils varies between 2 and 23 ppm, and oceans contain abou… flower and leaf dispensary

Samarium - Wikipedia

Websamarium, Chemical element in the lanthanide series, chemical symbol Sm, atomic … WebSamarium is a chemical element with symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air. Being a typical member of the lanthanide series, samarium usually has the oxidation state +3. Compounds of samarium are also known, most notably the monoxide SmO, monochalcogenides SmS, SmSe and SmTe, as well as … WebMar 3, 2024 · rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first extended row of elements below the main body of the periodic table (cerium [Ce] through lutetium [Lu]). The elements cerium through lutetium are called the lanthanides, but many … flower and leaf design