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Group 5 element
A Group 5 element is one in the series of elements in group 5 (IUPAC style) in the periodic table, which consists of vanadium (V), niobium (Nb), tantalum (Ta), and dubnium (Db).
Additional recommended knowledge
All of these elements are classed in Group 5 because their valence shell holds five electrons. Dubnium can only be produced in the laboratory, and does not exist in nature.
Of the group 5 elements, only vanadium has been identified as playing a role in the biological chemistry of living systems: it is involved in some of the enzymes of higher organisms, and also, unusually, in the biochemistry of some marine tunicates.
Categories: Periodic table | Chemical element groups
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Group_5_element". A list of authors is available in Wikipedia.|