radiothulium
radiothallium
radiovanadium
radioyttrium
radiohafnium
radiocaesium
radioindium
active material
radionuclide
radioterbium
hot
radiotungsten
radiocerium
radiocesium
radioargon
radioactive material
radiolanthanum
radioruthenium
Cf
atomic number 98
californium
radioeuropium
radioboron
radio-
radioiridium
radiotantalum
radiotechnetium
radioytterbium
radiogermanium
radiotin
radiogadolinium
radiorhenium
alpha ray
flerovium
Fl
alpha radiation
radiation
nuclear decay
radioactive disintegration
nuclear disintegration
radiochromium
radiodecay
radiohelium
radiobarium
radioscandium
radiorubidium
radiouranium
radiogenesis
monorden
radioplatinum