23 Vanadium H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti[V ]Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr +--------------------+ | 23 __ __ | | \ \ / / | | \ \ / / | | \ V / | | \_/ | | | | Vanadium | | 50.9415 u | +--------------------+ Electron Configuration: [Ar]4s2 3d3 Electronegativity: 1.63 Atomic Radius: 179 pm Ionization Energy: 6.746 eV Electron Affinity: 0.525 eV Oxidation States: +5, +4, +3, +2 Standard State: Solid Melting Point: 2183 K Boiling Point: 3680 K Density: 6.0 g/cm3 Family: Transition metal Year Discovered: 1801 Number of Neutrons: 28 23 Number of Protons: 23 Number of Electrons: Number of Valence: Valency: Group: 5 Period: 4 Shell: d-shell Specific Heat: 0.489 J/g K Radioactive: 0 Occurrence: Natural Source: White dwarf supernovae