Sˇdio: 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/%)
19Na   19.013879 0.03s +,p/ 11.18           
20Na   20.007344 0.446s +/ 13.89    2+ 0.3694 nm   rad. an.
1.634/ 79
21Na   20.99765 22.48s +/ 3.547 2.5/ 95  3/2+ 2.3863 nm 0.05 b rad. an.
0.351/ 5
22Na   21.994434 2.605a +/ 2.842
C.E.
0.545/ 9  3+ 1.746 nm   rad. an.
23Na 100 % 22.989767        3/2+ 2.21752 nm 0.101 b  
24mNa     20.2ms T.I.,▀-    1+     0.4723/ 100
24Na   23.990961 14.96h -/ 5.514 1.389/ 99  4+ 1.69 nm   1.3686/ 100
2.754/ 100
0.997 - 4.238
25Na   24.989953 59.3s -/ 3.833 2.6/ 7
3.15/ 25
4/ 65
 5/2+ 3.683 nm -0.1 b 0.3897/ 12
0.585/ 13
0.9747/ 14.9
0.836 - 2.8
26Na   25.992586 1.07s -/ 9.31    3+ 2.851 nm -0.08 b 1.809/ 98.9
27Na   26.99394 0.29s -/ 8.96
-,n
7.95  5/2+ 3.9 nm -0.06 b 0.9847/ 87.4
1.698/ 11.9
28Na   27.97878 30.5ms -/ 13.9
-,n
12.3  1+ 2.43 nm -0.02 b 1.473/ 37
2.389/ 18.6
29Na   29.00293 44ms -,n/ 13.4 11.5  3/2+ 2.45 nm -0.03 b 2.56/ 36
1.04 - 3.99
30Na   30.0088 50ms -/ 18.1    2+ 2.08 nm   1.483/ 46
31Na   31.01268 17.2ms -,n/ 15.7    3/2- 2.31 nm   1.483/ 14
0.05 - 3.54
32Na   32.0177 13.5ms -/ 18          0.886/ 60
33Na   33.023 8.1ms -/ 16          0.886/ 16
34Na   34.0286 5ms -/ 18          0.886/ 60
35Na     1.5ms