(TXT) 58 Ce Cerium (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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       +--------------------+
       | 58    ____         |
       |      / ___|___     |
       |     | |   / _ \    |
       |     | |__|  __/    |
       |      \____\___|    |
       |                    |
       |       Cerium       |
       |      140.116 u     |
       +--------------------+
       
 (TXT) Wiki Article:           Cerium
       Electron Configuration: [Xe]6s2 4f1 5d1
       Electronegativity:      1.12
       Atomic Radius:          235 pm
       Ionization Energy:      5.539 eV
       Electron Affinity:      0.5 eV
       Oxidation States:       +4, +3
       Standard State:         Solid
       Melting Point:          1071 K
       Boiling Point:          3697 K
       Density:                6.770 g/cm3
 (DIR) Family:                 Lanthanide
       Year Discovered:        1803
       Number of Neutrons:     82
       Number of Protons:      58
       Number of Electrons:    58
       Number of Valence:      
       Valency:                
       Group:                  
       Period:                 6
 (DIR) Shell:                  f-shell
       Specific Heat:          0.192 J/g K
       Radioactive:            0
       Occurrence:             Natural
 (DIR) Source:                 Dying low-mass stars