54  Xenon

 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      

+--------------------+
| 54  __  __         |
|     \ \/ /___      |
|      \  // _ \     |
|      /  \  __/     |
|     /_/\_\___|     |
|                    |
|        Xenon       |
|      131.29 u      |
+--------------------+

Electron Configuration: [Kr]5s2 4d10 5p6
Electronegativity:      2.6
Atomic Radius:          216 pm
Ionization Energy:      12.130 eV
Electron Affinity:      
Oxidation States:       0
Standard State:         Gas
Melting Point:          161.36 K
Boiling Point:          165.03 K
Density:                0.005887 g/cm3
Family:                 Noble gas
Year Discovered:        1898
Number of Neutrons:     77
Number of Protons:      54
Number of Electrons:    54
Number of Valence:      8
Valency:                0
Group:                  18
Period:                 5
Shell:                  p-shell
Specific Heat:          0.158 J/g K
Radioactive:            0
Occurrence:             Natural
Source:                 Merging neutron stars