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

THULIUM

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/THULIUM
Definition A <THULIUM> is an <Atom> and a <CHEMICAL ELEMENT> with symbol Tm and atomic number 69. It is an element in the lanthanide series