TEXT 59 Pr Praseodymium (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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       | 59  ____           |
       |    |  _ \ _ __     |
       |    | |_) | '__|    |
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       |                    |
       |    Praseodymium    |
       |     140.90766 u    |
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  TEXT Wiki Article:           Praseodymium
       Electron Configuration: [Xe]6s2 4f3
       Electronegativity:      1.13
       Atomic Radius:          239 pm
       Ionization Energy:      5.464 eV
       Electron Affinity:      
       Oxidation States:       3
       Standard State:         Solid
       Melting Point:          1204 K
       Boiling Point:          3793 K
       Density:                6.77 g/cm3
   DIR Family:                 Lanthanide
       Year Discovered:        1885
       Number of Neutrons:     82
       Number of Protons:      59
       Number of Electrons:    59
       Number of Valence:      
       Valency:                
       Group:                  
       Period:                 6
   DIR Shell:                  f-shell
       Specific Heat:          0.193 J/g K
       Radioactive:            0
       Occurrence:             Natural
   DIR Source:                 Dying low-mass stars
   DIR Source:                 Merging neutron stars