(TXT) 86 Rn Radon (plaintext)
       
        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      
       
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       | 86  ____           |
       |    |  _ \ _ __     |
       |    | |_) | '_ \    |
       |    |  _ <| | | |   |
       |    |_| \_\_| |_|   |
       |                    |
       |        Radon       |
       |     222.01758 u    |
       +--------------------+
       
 (TXT) Wiki Article:           Radon
       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
 (DIR) 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
 (DIR) Shell:                  p-shell
       Specific Heat:          0.094 J/g K
       Radioactive:            1
       Occurrence:             Natural
 (DIR) Source:                 Radioactive decay