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.
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last modified: 10.05.2021 16:29 H from N/A
