Actinium
Actinium-227
Actinium-230
Actinium-233
Actinium(III)chloride
Actinium(III)sulfide
Actinium-234
Actinium-231
Actinium(III)bromide
Actinium-236
Actinium(III)nitraat
Actinium-235
Actinium-228
Actinium-229
Actinium-232
Actinium(III)jodide
Actinium(III)oxide
Actinium(III)oxalaat
Actinium(III)fosfaat
Actinium(III)fluoride
Cerithidium actinium
Isotopen van actinium