TEXT 25 Mn Manganese (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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       |   | |\/| | '_ \    |
       |   | |  | | | | |   |
       |   |_|  |_|_| |_|   |
       |                    |
       |      Manganese     |
       |     54.93804 u     |
       +--------------------+
       
  TEXT Wiki Article:           Manganese
       Electron Configuration: [Ar]4s2 3d5
       Electronegativity:      1.55
       Atomic Radius:          197 pm
       Ionization Energy:      7.434 eV
       Electron Affinity:      
       Oxidation States:       +7, +4, +3, +2
       Standard State:         Solid
       Melting Point:          1519 K
       Boiling Point:          2334 K
       Density:                7.3 g/cm3
   DIR Family:                 Transition metal
       Year Discovered:        1774
       Number of Neutrons:     30
       Number of Protons:      25
       Number of Electrons:    25
       Number of Valence:      
       Valency:                
       Group:                  7
       Period:                 4
   DIR Shell:                  d-shell
       Specific Heat:          0.479 J/g K
       Radioactive:            0
       Occurrence:             Natural
   DIR Source:                 White dwarf supernovae