Isotope Lists, 73-96 - Actinium

Actinium

Main article: Isotopes of actinium

Isotope Half-life Spin Parity Mode(s) or Abundance
206Ac 22 ms (3+ ) %α=?
206m1Ac 33 ms (10- )
207Ac 22 ms (9/2- ) %α ~ 100
208Ac 95 ms (3+ ) %α=?
208m1Ac 25 ms (10- ) %α=?
209Ac 0.10 s (9/2- ) %α ~ 99, %K+%β+ ~ 1
210Ac 0.35 s %α ~ 96, %K+%β+ ~ 4
211Ac 0.25 s %α ~ 100
212Ac 0.93 s %α ~ 97, %K+%β+ ~ 3
213Ac 0.80 s %α < 100
214Ac 8.2 s %α > 89, %K < 11
215Ac 0.17 s 9/2- %α=99.91, %K+%β+=0.09
216Ac 0.33 ms (1- ) %α=100
216m1Ac 0.33 ms (9-)
217Ac 69 ns 9/2- %α=100, %K+%β+ < 2
217m1Ac 740 ns (29/2)+
218Ac 1.08 μs (1- ) %α=100
219Ac 11.8 μs 9/2- %α=100, %K+%β+ ~ 1E-6
220Ac 26.4 ms (3-) %α=100
221Ac 52 ms (3/2- ) %α=100
222Ac 5.0 s 1- %α=99, %K+%β+=1
222m1Ac 63 s %α > 88, %IT < 10, %K+%β+ < 2
223Ac 2.10 m (5/2- ) %α=99, %K=1
224Ac 2.78 h 0- %K=90.9 +14-20, %α=9.1 +20-14, %β- < 1.6 sys
225Ac 10.0 d (3/2- ) %α=100, %14C=6.0E-10
226Ac 29.37 h (1) %α=6E-3, %β-=83, %K=17
227Ac 21.773 a 3/2- %β-=98.620, %α=1.380
228Ac 6.15 h 3+ %β-=100
229Ac 62.7 m (3/2+ ) %β-=100
230Ac 122 s (1+ ) %β-=100
231Ac 7.5 m (1/2+ ) %β-=100
232Ac 119 s (1+ ) %β-=100
233Ac 145 s (1/2+ ) %β-=100
234Ac 44 s %β-=100

Read more about this topic:  Isotope Lists, 73-96

Other articles related to "actinium":

Period 7 Element - Actinides
... series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium ... series derives its name from the group 3 element actinium ... of uranium produces transient amounts of actinium and protactinium, and atoms of neptunium, americium, curium, berkelium and californium are occasionally produced from transmutation reactions in uranium ores ...
Actinide
... series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium ... The actinide series derives its name from the group 3 element actinium ... radioactive decay of uranium produces transient amounts of actinium and protactinium, and atoms of neptunium, americium, curium, berkelium and californium are occasionally produced from transmutation reactions in ...
Radium Series - Actinide Alpha Decay Chains - Actinium Series
... The 4n+3 chain of uranium-235 is commonly called the "actinium series" ... isotope U-235, this decay series includes the following elements Actinium, astatine, bismuth, francium, lead, polonium, protactinium, radium, radon, thallium, and thorium ... Protactinium α 32760 a 5.150 227Ac 227Ac Ac Actinium β− 98.62% α 1.38% 21.772 a 0.045 5.042 227Th 223Fr 227Th RdAc Radioactinium α 18.68 d 6.147 223Ra 223Fr AcK Actinium K β− 99.99 ...
Actinium - Precautions
... When actinium trichloride is administered intravenously to rats, about 33% of actinium is deposited into the bones and 50% into the liver ...