(TXT) 2 He Helium (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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       +--------------------+
       |  2  _   _          |
       |    | | | | ___     |
       |    | |_| |/ _ \    |
       |    |  _  |  __/    |
       |    |_| |_|\___|    |
       |                    |
       |       Helium       |
       |      4.00260 u     |
       +--------------------+
       
 (TXT) Wiki Article:           Helium
       Electron Configuration: 1s2
       Electronegativity:      
       Atomic Radius:          140 pm
       Ionization Energy:      24.587 eV
       Electron Affinity:      
       Oxidation States:       0
       Standard State:         Gas
       Melting Point:          0.95 K
       Boiling Point:          4.22 K
       Density:                0.0001785 g/cm3
 (DIR) Family:                 Noble gas
       Year Discovered:        1868
       Number of Neutrons:     2
       Number of Protons:      2
       Number of Electrons:    2
       Number of Valence:      2
       Valency:                0
       Group:                  18
       Period:                 1
 (DIR) Shell:                  s-shell
       Specific Heat:          5.193 J/g K
       Radioactive:            0
       Occurrence:             Natural
 (DIR) Source:                 The big bang