Vanadium

Vanadium (chemical symbol - V, from Lat. Vanadium) is a chemical element of the 15th group (according to the outdated classification - the fifth group of the secondary subgroup, VB), the fourth period of the periodic system of chemical elements of D. I. Mendeleev, with atomic number 23.

A simple substance vanadium is a plastic transition metal of silver-gray color, covered in air with a beautiful film of vanadium oxides, the different colors of which are due to the different thickness of the oxide layer.