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: [Kr]5s2 4d10 5p2
Electronegativity: 1.96
Atomic Radius: 217 pm
Ionization Energy: 7.344 eV
Electron Affinity: 1.2 eV
Oxidation States: +4, +2
Standard State: Solid
Melting Point: 505.08 K
Boiling Point: 2875 K
Density: 7.287 g/cm3
Family: Post-transition metal
Year Discovered: Ancient
Number of Neutrons: 69
Number of Protons: 50
Number of Electrons: 50
Number of Valence: 4
Valency: 4
Group: 14
Period: 5
Shell: p-shell
Specific Heat: 0.228 J/g K
Radioactive: 0
Occurrence: Natural
Source: Dying low-mass stars
Source: Merging neutron stars