Preferred Label : lawrencium;
RADLEX synonyms : Lr;
Definition : Lawrencium. A radioactive actinide discovered in 1961. It has the atomic symbol Lr,
atomic number 103, and atomic weight of 257. There are two isotopes with mass number
257 or 258, and mass number 256. [MeSH];
UMLS CUI (RADLEX) : C0023151;
Origin ID : RID11966;
UMLS CUI : C0023151;
Automatic exact mappings (from CISMeF team)
Semantic type(s)
UMLS correspondences (same concept)
Lawrencium. A radioactive actinide discovered in 1961. It has the atomic symbol Lr,
atomic number 103, and atomic weight of 257. There are two isotopes with mass number
257 or 258, and mass number 256. [MeSH]