ActÝnio: Propriedades


Isˇtopos

  Abund.
Nat. (%)
Massa
Atˇmica
Meia-
vida
Modo de Dec.
/Energia (/MeV)
En. da Part.
/Intensidade
(MeV/%)
SeccŃo Ef.
Neut. Term.
(b)
Spin
(h/2 pi)
Mom. Dip.
MagnÚtico
(nm)
Mom. Quad.
ElÚctrico
(b)
En. dos Gamas
/Intensidade
(MeV/%)
209Ac   209.009544 0.1s alpha           
210Ac   210.00923 0.4s alpha/ 7.61 7.462         
211Ac   211.00759 0.3s alpha/ 7.62 7.48         
212Ac   212.00776 0.9s alpha/ 7.52 7.379         
213Ac   213.00653 0.8s alpha/ 7.5 7.364  9/2-      
214Ac   214.00684 8.2s alpha/ 7.35
C.E.
7.007/ 3
7.082/ 38
7.214/ 45
 5+      
215Ac   215.00641 0.17s alpha/ 7.75 7.604  9/2-      
216mAc     0.33ms alpha 8.198/ 1.7
8.283/ 2.5
9.028/ 49
9.106/ 46
 9-      
216Ac   216.00865 0.3ms alpha/ 9.241 8.99/ 10
9.07/ 90
 1+      
217mAc     0.7Ás alpha 10.54/ 100         
217Ac   217.009322 0.07Ás alpha/ 9.832 9.65/ 100  9/2-      
218Ac   218.00162 1.1Ás alpha/ 9.38 9.205         
219Ac   219.01239 0.012ms alpha/ 8.83 8.664  9/2-      
220Ac   220.01474 26ms alpha/ 8.35 4.61/ 23
4.68/ 21
7.79/ 13
7.85/ 24
8.06/ 6
8.06/ 6       
221Ac   221.01557 52ms alpha/ 7.79 7.17/ 2
7.375/ 10
7.44/ 20
7.645/ 70
        
222mAc     63s alpha,C.E.,T.I. 6.75/ 13
6.81/ 24
6.84/ 9
6.89/ 13
7/ 13
7/ 13       
222Ac   222.017824 5s alpha/ 7.141 6.967/ 6
7.013/ 94
 1-      
223Ac   223.019128 2.1m alpha/ 6.783
C.E./ 0.584
6.473/ 3.1
6.528/ 3.1
6.563/ 13.6
6.646/ 44
6.661/ 31
6.661/ 315/2-     0.0725
0.0839
0.0927
0.099
0.1917
0.2158
0.3588
0.4768
224Ac   224.021685 2.7h C.E./ 1.4
alpha/ 6.323
6/ 6.7
6.056/ 22
6.138/ 26
6.204/ 12
6.21/ 20
6.21/ 200-     Ra k x rays
0.08426
0.1315
0.1571
0.21575
0.2619
0.03 - 0.3
225Ac   225.023205 10d alpha/ 5.935 5.636/ 4.5
5.722/ 2.9
5.731/ 10
5.791/ 9
5.793/ 18
5.793/ 183/2+     Fr k x rays
0.9958
0.9982
0.1084
0.1116
0.1451
0.1539
0.15724
0.18799
226Ac   226.026084 1.224d C.E./ 0.635
-/ 1.117
alpha/ 5.51


5.399/ 0.006
 1-     Ra k x rays
Th k x rays
0.07218
0.15816
0.23034
227Ac   227.02775 21.77a -/ 0.045
alpha/ 5.043
0.045/ 54
4.869/ 0.09
4.938/ 0.52
4.951/ 0.65
880 b3/2- 1.1 nm 1.7 b 0.0152
0.0698
0.0997
0.16
0.009 - 1.7
228Ac   228.031015 6.15h -/ 2.141 1.11/ 32
1.85/ 12
2.18/ 11
 3+     Th k x rays
0.12903
0.33842
0.91116
0.96897
0.2 - 1.96
229Ac   229.03298 1.04h -/ 1.13 1.1  3/2+     0.0745
0.16451
0.26188
0.5085
0.56916
230Ac   230.03624 2.03m -/ 2.9 1.4  1+     Th k x rays
0.45497
0.5082
0.12 - 2.5
231Ac   231.03855 7.5m -/ 2.1 2.1/ 100  1/2+     0.14379
0.18574
0.2214
0.2825
0.307
232Ac   232.04213 2m -/ 3.8    2-      
233Ac     2.4m -    1/2+      
234Ac     40s -    1+