1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 H He
2 Li B C N O F Ne
3 Na P S Cl Ar
4 K Ca Ga As Br Kr
5 Rb Sr Tc Ru Cd Sb Te I Xe
6 Cs Ba Lanthanoid Re Os Hg Tl 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 Ce Pr Nd Pm Eu Tb Dy Ho Tm Yb Lu

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