| I | II | III | IV | V | VI | VII | VIII | IX | X |
1A | 1H |
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2A | 3Li | 4Be2 | 5B3 | 6C4 | 7N | 8O | 9F |
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3A | 11Na | 12Mg | 13Al | 14Si | 15P | 16S | 17Cl |
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4A | 19K | 20Ca | 21Sc | 22Ti | 23V | 24Cr | 25Mn | 26 Fe | 27Co | 28Ni |
5A | 37Rb | 38Sr | 39Y | 40Zr | 41Nb | 42Mo | 43Tc | 44 Ru | 45Rh | 46Pd |
6A | 55Cs | 56Ba | 57La 71Lu | 72Hf | 73Ta | 74W | 75Re | 76 Os | 77Ir | 78Pt |
7A | 87Fr | 88Ra | 89Ac 103Lr | 104Rf | 105Db | 106Sg | 107Bh | 108Hs | 109Mt | 110Ds |