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Group 5 element



Group 5
Period
4 23
 V 
5 41
 Nb 
6 73
 Ta 
7 105
 Db 

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.

Biological occurrences

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.

Explanation of periodic table slice on right: Transition metals atomic number in black are solids solid borders are older than the Earth (Primordial elements) dotted borders are made artificially (Synthetic elements)
 
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.
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