86  Radon

 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      

+--------------------+
| 86  ____           |
|    |  _ \ _ __     |
|    | |_) | '_ \    |
|    |  _ <| | | |   |
|    |_| \_\_| |_|   |
|                    |
|        Radon       |
|     222.01758 u    |
+--------------------+

Electron Configuration: [Xe]6s2 4f14 5d10 6p6
Electronegativity:      
Atomic Radius:          220 pm
Ionization Energy:      10.745 eV
Electron Affinity:      
Oxidation States:       0
Standard State:         Gas
Melting Point:          202 K
Boiling Point:          211.45 K
Density:                0.00973 g/cm3
Family:                 Noble gas
Year Discovered:        1900
Number of Neutrons:     136
Number of Protons:      86
Number of Electrons:    86
Number of Valence:      8
Valency:                0
Group:                  18
Period:                 6
Shell:                  p-shell
Specific Heat:          0.094 J/g K
Radioactive:            1
Occurrence:             Natural
Source:                 Radioactive decay