DefinitionA <MENDELEVIUM> is an <Atom> and a <SYNTHETIC ELEMENT> with chemical symbol Md (formerly Mv) and atomic number 101. It is a metallic radioactive transuranic element in the actinide series
(Dmitri Mendeleev) Mendelevium, the ninth transuranium element of the actinide series discovered, was first identified by Ghiorso, Harvey, Choppin, Thompson, and Seaborg in early in 1955 during the bombardment of the isotope 253Es with helium ions in the