radioactive element

More general terms

• chemical element

More specific terms

• actinium [Ac]
• americium [Am]
• astatine [At]
• berkelium [Bk]
• bohrium [Bh]
• californium [Cf]
• curium [Cm]
• darmstadtium [Ds]
• dubnium [Db]
• einsteinium [Es]
• fermium [Fm]
• francium [Fr]
• hassium [Hs]
• lawrencium [Lr]
• meitnerium [Mt]
• mendelevium [Md]
• neptunium [Np]
• nobelium [No]
• plutonium [Pu]
• polonium [Po]
• promethium [Pm]
• rutherfordium [Rf]
• seaborgium [Sg]
• technetium [Tc]
• thorium [Th]
• uranium [U]