Group 5 element

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

(La)	59 Pr
(Ac)	91 Pa

A Group 5 element is an element in periodic table group 5 (IUPAC style) in the periodic table, which consists of:

vanadium (23)
niobium (41)
tantalum (73)
dubnium (105)
praseodymium (lanthanide) (59)
protactinium (actinide) (91)

All of these elements are classed in Group 5 because their valence shell holds four electrons. Dubnium can only be produced in the laboratory, it does not exist in nature.

Key to color coding in table slice on right: Transition metals Lanthanide Series Actinides Series

Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally.