(TXT) 34 Se Selenium (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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       +--------------------+
       | 34  ____           |
       |    / ___|  ___     |
       |    \___ \ / _ \    |
       |     ___) |  __/    |
       |    |____/ \___|    |
       |                    |
       |      Selenium      |
       |       78.97 u      |
       +--------------------+
       
 (TXT) Wiki Article:           Selenium
       Electron Configuration: [Ar]4s2 3d10 4p4
       Electronegativity:      2.55
       Atomic Radius:          190 pm
       Ionization Energy:      9.752 eV
       Electron Affinity:      2.021 eV
       Oxidation States:       +6, +4, -2
       Standard State:         Solid
       Melting Point:          493.65 K
       Boiling Point:          958 K
       Density:                4.809 g/cm3
 (DIR) Family:                 Nonmetal
       Year Discovered:        1817
       Number of Neutrons:     45
       Number of Protons:      34
       Number of Electrons:    34
       Number of Valence:      6
       Valency:                2
       Group:                  16
       Period:                 4
 (DIR) Shell:                  p-shell
       Specific Heat:          0.321 J/g K
       Radioactive:            0
       Occurrence:             Natural
 (DIR) Source:                 Dying high-mass stars