Mendelevium: the essentialsMendelevium is a radioactive rare earth metal named after Dmitri Mendeleev, father of the Periodic Table.
Mendelevium: historical informationMendelevium, the ninth transuranium element of the actinide series to be discovered, was first identified by Seaborg and others in 1955 as a product of the bombardment of the einsteinium isotope 253Es with helium ions. The isotope produced was 256Md, which has a half-life of about 11/4 hours. Mendelevium: physical properties
Mendelevium: orbital properties
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