radioterbium
radiothulium
radiotin
nuclear disintegration
helium fusion
radioiridium
radioactive disintegration
nuclear decay
radiozinc
He dating
predecay
radioactive dust
radiothallium
radiotantalum
gamma decay
fallout
hydridohelium
helonium
radiocadmium
radiolanthanum
radioisotope
activate
dihelium
atomic number 112
ununbium
dirty bomb
radiopalladium
element 112
Uub
disintegration
radiorubidium
radiocerium
Uuq
radiotechnetium
radiowaste
atomic number 111
atomic number 114
radwaste
element 111
element 114
ununquadium
radioplatinum
radioactivating
roentgenium
Rg
alpha emitter