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
Electron Configuration: [Ar]4s2 3d2
Electronegativity: 1.54
Atomic Radius: 187 pm
Ionization Energy: 6.828 eV
Electron Affinity: 0.079 eV
Oxidation States: +4, +3, +2
Standard State: Solid
Melting Point: 1941 K
Boiling Point: 3560 K
Density: 4.5 g/cm3
Family: Transition metal
Year Discovered: 1791
Number of Neutrons: 26
Number of Protons: 22
Number of Electrons: 22
Number of Valence:
Valency:
Group: 4
Period: 4
Shell: d-shell
Specific Heat: 0.523 J/g K
Radioactive: 0
Occurrence: Natural
Source: White dwarf supernovae