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 Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W  Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U  Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds

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