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

ROENTGENIUM

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/ROENTGENIUM
Definition A <ROENTGENIUM> is an <Atom> and a <CHEMICAL ELEMENT> with symbol Rg and atomic number 111. It is an extremely radioactive synthetic element in a yet unknown category, but probably a transition metal