Jurisson, Silvia S. Department of Chemistry, University of Missouri, Columbia, Missouri.
Last reviewed:January 2020
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A chemical element, Tc, atomic number 43, discovered by Carlo Perrier and Emilio Segrè in 1937. They separated and isolated it from molybdenum (Mo; atomic number 42), which had been bombarded with deuterons in a cyclotron. Technetium does not occur naturally. See also: Atomic number; Element (chemistry)
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