Template:Infobox actinium isotopes
{{Infobox isotopes (meta)
|symbol =Ac
|ref-table=
|ref-nubase2020 =yes
|isotopes =
{{Isotopes/main/isotope |link=actinium-225 |mn=225 |sym=Ac
|na=trace_link |hl={{val|9.919|u=d}}
|dm1=a_link |perc1= |link1=francium-221 |pn1=221 |ps1=Fr
|dm2=CD |perc2= |link2=bismuth-211 |pn2=211 |ps2=Bi }}
{{Isotopes/main/isotope |mn=226 |sym=Ac
|na=synth_link |hl={{val|29.37|u=h}}
|dm1=b-_link |perc1= |link1=thorium-226 |pn1=226 |ps1=Th
|dm2=epsi_link |perc2= |link2=radium-226 |pn2=226 |ps2=Ra
|dm3=α |perc3= |link3=francium-222 |pn3=222 |ps3=Fr }}
{{Isotopes/main/isotope |mn=227 |sym=Ac
|na=trace |hl={{val|21.772|u=y}}
|dm1=β− |perc1= |link1=thorium-227 |pn1=227 |ps1=Th
|dm2=α |perc2= |link2=francium-223 |pn2=223 |ps2=Fr }}
|footnote =
|child ={{{child|no}}}
}}
{{Infobox element/element navigation |symbol=Ac |footnote=}}
{{Template reference list}}
{{documentation|1=Template:Infobox isotopes (meta)/doc}}