Technetium, derived from the Greek for ?artificial?, was the first human-made element before it was found in natural sources. Today technetium compounds are widely used in Medicine . Ulrich Abram presents the element and its applications. To the article on the Fascination Chemistry website.
You can hear more about technetium in the Deutschlandfunk Kultur podcast.
The 7th group of the periodic table contains the elements manganese, technetium, rhenium and the artificially produced element Bohrium (named after the physicist Niels Bohr). The group is also known as the manganese group after its first member. All elements are metals that occur in the oxidation states +2, +3, +4, +6 and +7.
back to the periodic table
back to the start page for the year of the periodic table
to our brochure Chemistry of the Elements
published June 2019 with articles on 43 elements (7 MB, 160 pages)
Photo: 99mTc injection. The syringe with the radionuclide is surrounded by a shield. (Photo credit: Bionerd, Tc 99 injection, CC BY-SA 3.0 )
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last modified: 10.05.2021 16:29 H from N/A
