naturally occurring: NORM
| H |
He | Li | Be |
B | C |
N | O | ||
| F | Ne | Na |
Mg | Al | Si | P |
S |
||
| Cl |
Ar |
K 40 |
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 210 |
Bi 210 |
Po 210 |
|
| At | Rn 222 220 |
Fr | Ra 226 228 |
Ac | Th 232 |
Pa | U 238 235 234 |
Np | |
| Pu | Am | Cm |
U & Th-affine elements (the HFSE)
| RO4 |
RH |
R | R2O | RO |
R2O3 | RO2 | R2O5 | RO3 | R2O7 |
| 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 radioisotopes
| H 3 |
He | Li | Be 7 10 |
B | C 14 |
N | O | ||
| F | Ne | Na 22 24 |
Mg | Al 26 |
Si | P 32 33 |
S 35 |
||
| Cl 36 |
Ar 37 |
K | Ca | Sc | Ti | V | Cr | Mn | |
| Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | |
| Br | Kr 81 85 |
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 |
neutron activation products
| H 3 |
He | Li | Be |
B | C 14 |
N | O | ||
| F | Ne | Na |
Mg | Al |
Si | P |
S |
||
| Cl |
Ar |
K | Ca | Sc | Ti | V | Cr 51 |
Mn 54 |
|
| Fe 55 |
Co 58 60 |
Ni 63 |
Cu | Zn 65 |
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 |
fission products
| 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 85 |
Rb | Sr 90 |
Y | Zr 95 |
Nb 95 |
Mo 99 |
Tc 99 |
|
| Ru 103 106 |
Rh | Pd | Ag | Cd | In | Sn | Sb | Te 132 |
|
| I 129 131 |
Xe 133 135 |
Cs (134) 137 |
Ba 140 |
La 140 |
Ce 141 144 |
Pr 144 |
Nd 144 147 |
Pm 147 |
|
| 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 |
medical radioisotopes
| H |
He | Li | Be |
B | C |
N | O | ||
| F 18 |
Ne | Na |
Mg | Al | Si | P 32 |
S |
||
| Cl |
Ar |
K | Ca | Sc | Ti | V | Cr | Mn | |
| Fe | Co | Ni | Cu | Zn | Ga 67 |
Ge | As | Se | |
| Br | Kr |
Rb | Sr |
Y 90 |
Zr | Nb | Mo 99 |
Tc 99m |
|
| Ru |
Rh | Pd | Ag | Cd | In 111 |
Sn | Sb | Te |
|
| I 131 |
Xe |
Cs |
Ba |
La |
Ce |
Pr |
Nd |
Pm |
|
| Sm 153 |
Eu | Gd | Tb | Dy | Ho 166 |
||||
| Er 169 |
Tm | Yb | Lu 177 |
Hf | Ta | W | Re 186 |
||
| Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | |
| At | Rn | Fr | Ra 223 |
Ac | Th | Pa | U | Np | |
| Pu | Am | Cm |
all isotopes radioactive
| 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 |