Actinium radioactive isotope number 1: 206Ac |
| Neutrons: | 117; |
| Jn: | 3+; |
| Decay: | α : 100.00 %; |
| t1/2: | 0.022s ≈ 22.00 ms; |
Actinium radioactive isotope number 2: 206Ac |
| Neutrons: | 117; |
| Jn: | 10-; |
| Decay: | α : 100.00 %; |
| t1/2: | 0.033s ≈ 33.00 ms; |
Actinium radioactive isotope number 3: 206Ac |
| Neutrons: | 117; |
| Jn: | Unknown; |
| Decay: | α : 100.00 %; |
| t1/2: | 0.011s ≈ 11.00 ms; |
Actinium radioactive isotope number 4: 207Ac |
| Neutrons: | 118; |
| Jn: | 9/2-; |
| Decay: | α; |
| t1/2: | 0.027s ≈ 27.00 ms; |
Actinium radioactive isotope number 5: 208Ac |
| Neutrons: | 119; |
| Jn: | 3+; |
| Decay: | ε : 1.00 %
α; |
| t1/2: | 0.095s ≈ 95.00 ms; |
Actinium radioactive isotope number 6: 208Ac |
| Neutrons: | 119; |
| Jn: | 10-; |
| Decay: | IT < 10.00 %
ε : 1.00 %
α; |
| t1/2: | 0.025s ≈ 25.00 ms; |
Actinium radioactive isotope number 7: 209Ac |
| Neutrons: | 120; |
| Jn: | 9/2-; |
| Decay: | α ~ 99.00 %
ε ~ 1.00 %; |
| t1/2: | 0.1s ; |
Actinium radioactive isotope number 8: 210Ac |
| Neutrons: | 121; |
| Jn: | Unknown; |
| Decay: | α : 91.00 %
ε ~ 9.00 %; |
| t1/2: | 0.35s ; |
Actinium radioactive isotope number 9: 211Ac |
| Neutrons: | 122; |
| Jn: | Unknown; |
| Decay: | α ~ 100.00 %; |
| t1/2: | 0.21s ; |
Actinium radioactive isotope number 10: 212Ac |
| Neutrons: | 123; |
| Jn: | Unknown; |
| Decay: | α ~ 57.00 %
ε ~ 43.00 %; |
| t1/2: | 0.93s ; |
Actinium radioactive isotope number 11: 213Ac |
| Neutrons: | 124; |
| Jn: | Unknown; |
| Decay: | α ≤ 100.00 %; |
| t1/2: | 0.731s ; |
Actinium radioactive isotope number 12: 214Ac |
| Neutrons: | 125; |
| Jn: | Unknown; |
| Decay: | α ≥ 89.00 %
ε ≤ 11.00 %; |
| t1/2: | 8.2s ; |
Actinium radioactive isotope number 13: 215Ac |
| Neutrons: | 126; |
| Jn: | 9/2-; |
| Decay: | α : 99.91 %
ε : 0.09 %; |
| t1/2: | 0.17s ; |
Actinium radioactive isotope number 14: 216Ac |
| Neutrons: | 127; |
| Jn: | 1-; |
| Decay: | α : 100.00 %; |
| t1/2: | 0.00044s ≈ 0.44 ms; |
Actinium radioactive isotope number 15: 217Ac |
| Neutrons: | 128; |
| Jn: | 9/2-; |
| Decay: | α ~ 100.00 %
ε ≤ 2.00 %; |
| t1/2: | 6.9E-08s ≈ 69.00 ns; |
Actinium radioactive isotope number 16: 218Ac |
| Neutrons: | 129; |
| Jn: | 1-; |
| Decay: | α : 100.00 %; |
| t1/2: | 1.08E-06s ≈ 1.08 µs; |
Actinium radioactive isotope number 17: 219Ac |
| Neutrons: | 130; |
| Jn: | 9/2-; |
| Decay: | α : 100.00 %; |
| t1/2: | 1.18E-05s ≈ 11.80 µs; |
Actinium radioactive isotope number 18: 220Ac |
| Neutrons: | 131; |
| Jn: | 3-; |
| Decay: | α : 100.00 %
ε : 5.0E-4 %; |
| t1/2: | 0.0264s ≈ 26.40 ms; |
Actinium radioactive isotope number 19: 221Ac |
| Neutrons: | 132; |
| Jn: | Unknown; |
| Decay: | α : 100.00 %; |
| t1/2: | 0.052s ≈ 52.00 ms; |
Actinium radioactive isotope number 20: 222Ac |
| Neutrons: | 133; |
| Jn: | 1-; |
| Decay: | α : 99.00 %
ε : 1.00 %; |
| t1/2: | 5s ; |
Actinium radioactive isotope number 21: 222Ac |
| Neutrons: | 133; |
| Jn: | Unknown; |
| Decay: | α ≥ 88.00 %
IT ≤ 10.00 %
ε ≥ 0.70 %; |
| t1/2: | 63s ; |
Actinium radioactive isotope number 22: 223Ac |
| Neutrons: | 134; |
| Jn: | 5/2-; |
| Decay: | α : 99.00 %
ε : 1.00 %; |
| t1/2: | 126s ≈ 2.10 m; |
Actinium radioactive isotope number 23: 224Ac |
| Neutrons: | 135; |
| Jn: | 0-; |
| Decay: | ε : 90.90 %
α : 9.10 %
β - < 1.60 %; |
| t1/2: | 10008s ≈ 2.78 h; |
Actinium radioactive isotope number 24: 225Ac |
| Neutrons: | 136; |
| Jn: | 3/2-; |
| Decay: | α : 100.00 %
14C : 5E-10 %; |
| t1/2: | 864000s ≈ 10.00 d; |
Actinium radioactive isotope number 25: 226Ac |
| Neutrons: | 137; |
| Jn: | 1; |
| Decay: | β - : 83.00 %
ε : 17.00 %
α : 6.0E-3 %; |
| t1/2: | 105732s ≈ 29.37 h; |
Actinium radioactive isotope number 26: 227Ac |
| Neutrons: | 138; |
| Jn: | 3/2-; |
| Decay: | β - : 98.62 %
α : 1.38 %; |
| t1/2: | 686601800s ≈ 21.77 y; |
Actinium radioactive isotope number 27: 228Ac |
| Neutrons: | 139; |
| Jn: | 3+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 22140s ≈ 6.15 h; |
Actinium radioactive isotope number 28: 229Ac |
| Neutrons: | 140; |
| Jn: | 3/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 3762s ≈ 1.04 h; |
Actinium radioactive isotope number 29: 230Ac |
| Neutrons: | 141; |
| Jn: | 1+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 122s ≈ 2.03 m; |
Actinium radioactive isotope number 30: 231Ac |
| Neutrons: | 142; |
| Jn: | 1/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 450s ≈ 7.50 m; |
Actinium radioactive isotope number 31: 232Ac |
| Neutrons: | 143; |
| Jn: | 1+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 119s ; |
Actinium radioactive isotope number 32: 233Ac |
| Neutrons: | 144; |
| Jn: | 1/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 145s ≈ 2.42 m; |
Actinium radioactive isotope number 33: 234Ac |
| Neutrons: | 145; |
| Jn: | Unknown; |
| Decay: | β - : 100.00 %; |
| t1/2: | 44s ; |
Actinium radioactive isotope number 34: 235Ac |
| Neutrons: | 146; |
| Jn: | Unknown; |
| Decay: | β - ?; |
| t1/2: | 40s ; |
Actinium radioactive isotope number 35: 236Ac |
| Neutrons: | 147; |
| Jn: | Unknown; |
| Decay: | β - ?; |
| t1/2: | 120s ≈ 2.00 m; |
