Magnesium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
19Mg |
19.03547 (27) |
|
|
|
33,040 (250) |
5,840 (13) |
2p ? |
|
20Mg |
20.018863 (29) |
|
90 |
ms |
17,570 (27) |
6,723 (1.4) |
B+ |
100 |
21Mg |
21.011713 (18) |
|
122 |
ms |
10,911 (16) |
7,104.7 (7.8) |
B+ |
100 |
22Mg |
21.9995738 (14) |
|
3.857 |
s |
-397.0 (1.3) |
7,662.63 (6.1) |
B+ |
100 |
23Mg |
22.9941237 (14) |
|
11.317 |
s |
-5,473.8 (1.3) |
7,901.13 (5.6) |
B+ |
100 |
24Mg |
23.985041699 (13) |
78.99 (4) |
stable |
|
-13,933.567 (13) |
8,260.709 (1) |
|
|
25Mg |
24.985836917 (34) |
10.00 (1) |
stable |
|
-13,192.826 (32) |
8,223.504 (1) |
|
|
26Mg |
25.982592929 (29) |
11.01 (3) |
stable |
|
-16,214.582 (27) |
8,333.872 (1) |
|
|
27Mg |
26.984340585 (52) |
|
9.458 |
m |
-14,586.651 (49) |
8,263.854 (2) |
B- |
100 |
28Mg |
27.9838768 (22) |
|
20.915 |
h |
-15,018.6 (2) |
8,272.41 (7.2) |
B- |
100 |
29Mg |
28.988600 (15) |
|
1.3 |
s |
-10,619 (14) |
8,113.8 (4.8) |
B- |
100 |
30Mg |
29.9904340 (90) |
|
335 |
ms |
-8,910.7 (8.4) |
8,055.4 (2.8) |
B- |
100 |
31Mg |
30.996546 (13) |
|
230 |
ms |
-3,217 (12) |
7,872.3 (3.9) |
B- |
100 |
32Mg |
31.998975 (19) |
|
95 |
ms |
-955 (18) |
7,807.8 (5.5) |
B- |
100 |
33Mg |
33.005254 (21) |
|
90.5 |
ms |
4,894 (20) |
7,638.5 (5.9) |
B- |
100 |
34Mg |
34.00946 (25) |
|
20 |
ms |
8,810 (230) |
7,536 (6.8) |
B- |
100 |
35Mg |
35.01734 (43) |
|
70 |
ms |
16,150 (400) |
7,340 (11) |
B- |
100 |
36Mg |
36.02300 (54) |
|
5 |
ms |
21,420 (500) |
7,220 (14) |
B- ? |
|
37Mg |
37.03140 (97) |
|
40 |
ms |
29,250 (900) |
7,030 (24) |
B- ? |
|
38Mg |
38.03757 (54) |
|
1 |
ms |
35,000 (500) |
6,900 (13) |
B- ? |
|
39Mg |
39.04677 (55) |
|
<260 |
ns |
43,570 (510) |
6,710 (13) |
n ? |
|
40Mg |
40.05393 (97) |
|
1 |
ms |
50,240 (900) |
6,580 (23) |
B- ? |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005