Concept information
Terme préférentiel
Cerium
Type
-
Entity
Définition
- [Wikipedia] Cerium is a chemical element with the symbol Ce and atomic number 58. Cerium is a soft, ductile, and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a steel kitchen knife. Cerium is the second element in the lanthanide series, and while it often shows the +3 oxidation state characteristic of the series, it also has a stable +4 state that does not oxidize water. It is also considered one of the rare-earth elements. Cerium has no biological role in humans and is not very toxic.
Concept générique
URI
https://w3id.org/ozcar-theia/c_7fc9623c
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