Vanadium was discovered by Andrés Manuel del Rio, a Mexican chemist, in 1801.
Atomic number: 23
Atomic weight: 50.942
Group, period, block: 5, 4, d
Color: blue-silver-grey metal
Classification: transition metal
Electron configuration: 3d2 4s2
Density: 6.0 g/cm-3
Melting point: 2183 K, 1910 °C, 3470 °F
Boiling point: 3680 K, 3407 °C, 6165 °F
Oxidation states: 5, 4, 3, 2, 1, -1
Electronegativity: 1.63 (Pauling scale)
Ionization energies: 1st: 650.9 kJ·mol-1
Covalent radius: 153±8 pm
Van der Waals radius: no data
There are two naturally occurring isotopes of vanadium exist. They are 50V, and 51V.
51V is more common and it makes up about 99.75 percent of all vanadium found in nature.