radionuclide
atomic number 88
Ra
radioosmium
einsteinium
radioactive material
atomic number 99
gamma decay
E
Es
carnotite
radioactive
plutogenic
yttrotantalite
radioplatinum
yttriferous
radiodecay
radioactive disintegration
radiorubidium
pluto-
thorianite
radioisotope
nuclear disintegration
nuclear decay
Cm
polycrase
radionickel
atomic number 85
atomic number 96
radioactivating
nuclear fuel
fermium
masuyite
At
Fm
astatine
atomic number 95
atomic number 100
uranium 238
americium
curium
Am
atomic number 97
actino-uranium
berkelium
atomic number 113
Bk
Uut
ununtrium
element 113