Preferred Label : fermium;
RADLEX synonyms : Fm;
Definition : Fermium. A man-made radioactive actinide with atomic symbol Fm, atomic number 100,
and atomic weight 257. Its known isotopes range from 244-254 and 256-258. Its valence
can be 2 or 3. Like einsteinium, it was discovered in 1952 in the debris from a
thermonuclear explosion. [MeSH];
UMLS CUI (RADLEX) : C0015853;
Origin ID : RID11960;
UMLS CUI : C0015853;
Automatic exact mappings (from CISMeF team)
- Semantic type(s)
- UMLS correspondences (same concept)
Fermium. A man-made radioactive actinide with atomic symbol Fm, atomic number 100,
and atomic weight 257. Its known isotopes range from 244-254 and 256-258. Its valence
can be 2 or 3. Like einsteinium, it was discovered in 1952 in the debris from a
thermonuclear explosion. [MeSH]
