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 3d10 4p6
Electronegativity: 3
Atomic Radius: 202 pm
Ionization Energy: 14.000 eV
Electron Affinity:
Oxidation States: 0
Standard State: Gas
Melting Point: 115.79 K
Boiling Point: 119.93 K
Density: 0.003733 g/cm3
Family: Noble gas
Year Discovered: 1898
Number of Neutrons: 48
Number of Protons: 36
Number of Electrons: 36
Number of Valence: 8
Valency: 0
Group: 18
Period: 4
Shell: p-shell
Specific Heat: 0.248 J/g K
Radioactive: 0
Occurrence: Natural
Source: Dying high-mass stars