Periodensystem der Elemente
I | II | IIIb | IVb | Vb | VIb | VIIb | VIIIb | Ib | IIb | III | IV | V | VI | VII | VIII
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
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 |  | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn
Fr | Ra |  | Rf | Db | Sg | Bh | Hs | Mt | Ds | Uuu | Uub |
| La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu
| Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr