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1                                                                   2  
 H                                                                   He
3   4                                           5   6   7   8   9   10 
 Li  Be                                          B   C   N   O   F   Ne
11  12                                          13  14  15  16  17  18 
 Na  Mg                                          Al  Si  P   S   Cl  Ar
19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36 
 K   Ca  Sc  Ti  V   Cr  Mn  Fe  Co  Ni  Cu  Zn  Ga  Ge  As  Se  Br  Kr
37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54 
 Rb  Sr  Y   Zr  Nb  Mo  Tc  Ru  Rh  Pd  Ag  Cd  In  Sn  Sb  Te  I   Xe
55  56      72  73  74  75  76  77  78  79  80  81  82  83  84  85  86 
 Cs  Ba      Hf  Ta  W   Re  Os  Ir  Pt  Au  Hg  Tl  Pb  Bi  Po  At  Rn
87  88      104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
 Fr  Ra      Rf  Db  Sg  Bh  Hs  Mt  Ds  Rg  Cn Nh   Fl Mc   Lv Ts  Og
                                                                       
                                                                       
            57  58  59  60  61  62  63  64  65  66  67  68  69  70  71 
             La  Ce  Pr  Nd  Pm  Sm  Eu  Gd  Tb  Dy  Ho  Er  Tm  Yb  Lu
            89  90  91  92  93  94  95  96  97  98  99  100 101 102 103
             Ac  Th  Pa  U   Np  Pu  Am  Cm  Bk  Cf  Es  Fm  Md  No  Lr
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