Concept information
Terme préférentiel
Samarium
Type
-
Entity
Définition
- [Wikipedia] Samarium is a chemical element with the 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 assumes the oxidation state +3. Compounds of samarium(II) are also known, most notably the monoxide SmO, monochalcogenides SmS, SmSe and SmTe, as well as samarium(II) iodide. The last compound is a common reducing agent in chemical synthesis. Samarium has no significant biological role but is only slightly toxic.
Concept générique
Variante
- Sm
URI
https://w3id.org/ozcar-theia/c_7d2206b8
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