• radioactive substances [Fyhr]

actinides

actinides (French)

actinidas (Spanish)

• actinium and compounds [Cyb]
• americium and compounds [Cyl]
• berkelium and compounds [Cyn]
• californium and compounds [Cyp]
• curium and compounds [Cym]
• einsteinium and compounds [Cyq]
• fermium and compounds [Cyr]
• lawrencium [Cyw]
• mendelevium and compounds [Cys]
• neptunium and compounds [Cyh]
• nobelium [Cyt]
• plutonium and compounds [Cyj]
• protactinium and compounds [Cyd]
• thorium and compounds [Cyc]
• transplutonium elements [Cyk]
• transuranium elements [Cyg]
• uranium and compounds [Cyf]