(TXT) 15 P Phosphorus (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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       | 15     ____        |
       |       |  _ \       |
       |       | |_) |      |
       |       |  __/       |
       |       |_|          |
       |                    |
       |     Phosphorus     |
       |    30.97376200 u   |
       +--------------------+
       
 (TXT) Wiki Article:           Phosphorus
       Electron Configuration: [Ne]3s2 3p3
       Electronegativity:      2.19
       Atomic Radius:          180 pm
       Ionization Energy:      10.487 eV
       Electron Affinity:      0.746 eV
       Oxidation States:       +5, +3, -3
       Standard State:         Solid
       Melting Point:          317.3 K
       Boiling Point:          553.65 K
       Density:                1.82 g/cm3
 (DIR) Family:                 Nonmetal
       Year Discovered:        1669
       Number of Neutrons:     16
       Number of Protons:      15
       Number of Electrons:    15
       Number of Valence:      5
       Valency:                3
       Group:                  15
       Period:                 3
 (DIR) Shell:                  p-shell
       Specific Heat:          0.769 J/g K
       Radioactive:            0
       Occurrence:             Natural
 (DIR) Source:                 Dying high-mass stars