| 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 | |||||||
| cosmogenic ‘spallation’ isotopes | natural ‘NORM’ isotopes | ||||||||
| neutron activation products | fission products | ||||||||
| artificial ‘breeder’ isotopes | |||||||||
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