Assertion: fermium | /r/HasProperty | md
Facets:
Source sentences:
text: As of this writing, the number of known isotopes of Fm, Md, No, and Lr is 58, ranging in half‐life from as short as 0.25 ms for 250No to as long as 100.5 days for 257Fm.
text: Divalency had been observed in solution for fermium through nobeli-um, in fact, the elements Fm,Md, and