radioactive
radiorubidium
strontium 90
radiocontaminated
radioosmium
radioeuropium
radioactinide
radioniobium
nobelium
atomic number 102
No
atomic number 115
nuclear decay
element 115
radioactive disintegration
lanthanite
ununpentium
Uup
nuclear disintegration
kukharenkoite
radiodecay
radiochemistry
strontium-90
nuclear chemistry
radiofluorine
Lr
Ds
darmstadtium
atomic number 110
radioscandium
radiouranium
lawrencium
atomic number 103
element 110
intercaudate
radioxenon
radiogermanium
monorden
fallout
Uuh
radioactive dust
element 116
atomic number 116
gamma decay
ununhexium
radiogallium
radiodysprosium
radiosamarium
radioisotope