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Group 5 element: Wikis


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Group → 5
↓ Period
4 23
5 41
6 73
7 105

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).

Like other groups, the members of this family show patterns in its electron configuration, especially the outermost shells, though niobium curiously does not follow the trend:

Z Element No. of electrons/shell
23 vanadium 2, 8, 11, 2
41 niobium 2, 8, 18, 12, 1
73 tantalum 2, 8, 18, 32, 11, 2
105 dubnium 2, 8, 18, 32, 32, 11, 2

Dubnium can only be produced in the laboratory, and does not exist in nature.


The discovery of all elements in the group led to controversies. The verification of those discoveries was difficult due to similarity of vanadium and group 4 element chromium, the chemical similarity of niobium and tantalum and the complicated setup which was necessary to produce a few atoms of dubnium.

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.

See also

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)


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