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Additional
group 7 element
English Wikipedia - The Free Encyclopedia
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Group 7 element
Group 7
, numbered by
IUPAC
nomenclature, is a group of
elements
in the
periodic table
. They are
manganese
(Mn),
technetium
(Tc),
rhenium
(Re), and
bohrium
(Bh). All known elements of group 7 are transition metals.
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