/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / PROMETHIUM

PROMETHIUM

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/PROMETHIUM
Definition A <PROMETHIUM> is an <Atom> and a <CHEMICAL ELEMENT> with the symbol Pm and atomic number 61. It belongs to the lanthanide series