1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H He
2 Li Be B C N O F Ne
3 Ar
4 Ni Zn Ga Ge As Br Kr
5 Rb Sr Y Zr Tc Ru Rh Cd In Sn Sb Te I Xe
6 Cs Ba Lanthanoid Re Os Hg Tl Pb Bi Po At Rn
7 Fr Ra Actinide Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Lanthanides La Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu

Actinides Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr