Mendelevium is a synthetic element with the symbol Md and atomic number 101. It was first synthesized in 1955 by Albert Ghiorso, Glenn T. Seaborg, and Edwin M. McMillan at the Lawrence Berkeley National Laboratory in California. Mendelevium is part of the actinide series in the periodic table and is one of the transuranium elements, which means it has a higher atomic number than uranium.
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