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Liste der Isotope/3. Periode

Liste der Isotope/3. Periode

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Dieser Artikel ist eine Liste der Isotope aller bekannten Elemente der dritten Periode.

Eine Übersicht über alle weiteren Isotope sowie eine Legende ist im Hauptartikel Liste der Isotope zu finden.

11 Natrium

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
20Na 447,9 ms 13,887 2+ K/β+ = 100, Kα = 20,5
21Na 22,49 s 3,547 3/2+ K/β+ = 100
22Na 2,6019 a 2,842 3+ K/β+ = 100
23Na stabil 3/2+ 100
24Na 14,9590 h 5,516 4+ β− = 100
24m1Na 20,20 ms 0,472 (IT), 5,988 (β−) 1+ IT = 99,95, β− = 0,05
25Na 59,1 s 3,835 5/2+ β− = 100
26Na 1,072 s 9,312 3+ β− = 100
27Na 301 ms 9,01 (β−), 2,56 (β−n) 5/2+ β− = 100, β−n = 0,13
28Na 30,5 ms 13,99 (β−), 5,48 (β−n) 1+ β− = 100, β−n = 0,58
29Na 44,9 ms 13,28 (β−), 9,57 (β−n) 3/2 β− = 100, β−n = 21,5
30Na 48 ms 17,48 (β−), 11,18 (β−n), 5,740 (β−α) 2+ β− = 100, β−n = 30, β−2n = 1,17, β−α = 5,5 × 10−5
31Na 17,0 ms 15,88 (β−), 13,40 (β−n) 3/2+ β− = 100, β−n = 37, β−2n = 0,9
32Na 13,2 ms 19,1 (β−), 13,4 (β−n) (3- , 4-) β− = 100, β−n = 24, β−2n = 8,3
33Na 8,2 ms 20,3 (β−), 18,2 (β−n) 3/2+ β− = 100, β−n = 52, β−2n = 12
34Na 5,5 ms 24,1 (β−), 19,2 (β−n) β− = 100, β−n = ?, β−2n = ?
35Na 1,5 ms 24,9 (β−), 24,6 (β−n) β− = 100, β−n = ?
36Na 180 ns n = 100
37Na 60 ns β− = 100, β−n > 0

12 Magnesium

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
20Mg 95 ms 10,73 (K/β+), 8,53 (Kp) 0+ K/β+ = 100, Kp ≈ 3
21Mg 122 ms 13,096 (K/β+), 10,665 (Kp) (3/2,5/2)+ K/β+ = 100, Kp = 29,3
22Mg 3,857 s 4,786 0+ K/β+ = 100
23Mg 11,317 s 4,057 3/2+ K/β+ = 100
24Mg stabil 0+ 78,99
25Mg stabil 5/2+ 10,00
26Mg stabil 0+ 11,01
27Mg 9,458 min 2,610 1/2+ β− = 100
28Mg 20,91 h 1,832 0+ β− = 100
29Mg 1,30 s 7,55 3/2+ β− = 100
30Mg 335 ms 6,99 0+ β− = 100
31Mg 230 ms 11,74 (β−), 4,59 (β−n) 1/2+ β− = 100, β−n = 1,7
32Mg 120 ms 10,27 (β−), 6,09 (β−n) 0+ β− = 100, β−n = 2,4
33Mg 90 ms 13,71 (β−), 8,19 (β−n) 3/2+ β− = 100, β−n = 17
34Mg 20 ms 11,3 (β−), 8,9 (β−n) 0+ β− = 100, β−n = ?
35Mg 70 ms 7/2− β− = 100, β−n = 52
36Mg 3,9 ms 0+ β− = 100, β−n > 0
37Mg <260 ns 7/2− β− = 100, β−n > 0
38Mg <260 ns 0+ β− = 100, β−n > 0
39Mg 180 ns n = 100
40Mg <170 ns 0+ β− = 100, β−n > 0

13 Aluminium

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
21Al <35 ns 5/2+ p = 100
22Al 70 ms 18,58 (K/β+), 13,08 (Kp) 3+ K/β+ = 100, Kp+K2p ≈ 2,9
23Al 0,47 s 12,24 (K/β+), 4,66 (Kp) 5/2+ K/β+ = 100, Kp = ?
24Al 2,053 s 13,878 (K/β+), 4,562 (Kα) 4+ K/β+ = 100, Kα = 0,035
24m1Al 131,3 ms 0,462 (IT), 14,304 (K/β+), 4,988 (Kα) 1+ IT = 82, K/β+ = 18, Kα = 0,028
25Al 7,183 s 4,277 5/2+ K/β+ = 100
26Al 7,17 × 105 a 4,004 5+ K/β+ = 100
26m1Al 6,3452 s 4,232 0+ K/β+ = 100
27Al stabil 5/2+ 100
28Al 2,2414 min 4,642 3+ β− = 100
29Al 6,56 min 3,680 5/2+ β− = 100
30Al 3,60 s 8,561 3+ β− = 100
31Al 644 ms 7,995 (3/2,5/2)+ β− = 100
32Al 33 ms 13,020 1+ β− = 100
34Al 60 ms 17,09(β−), 9,56 (β−n) β− = 100, β−n = 27
35Al 150 ms 14,30(β−), 11,83 (β−n) β− = 100, β−n = 65
36Al 90ms β− = 100, β−n > 0
37Al 10,7 ms 16,1 β− = 100
38Al 7,6 ms β− = 100, β−n > 0
39Al 7,6µs β− = 100, β−n > 0
40Al <260 ns β− = 100, β−n > 0
41Al <260 ns β− = 100
42Al <170 ns β− = 100, β−n > 0

14 Silicium

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
22Si 6 ms 13,98 (K/β+), 13,96 (Kp) 0+ K/β+ = 100, Kp = ?
23Si 42,3 ms 5/2+ K = 100, β+p = 71, β+2p = 3,6
24Si 102 ms 10,810 (K/β+), 8,938 (Kp) 0+ K/β+ = 100, Kp ≈ 7
25Si 220 ms 12,741 (K/β+), 10,470 (Kp) 5/2+ K/β+ = 100, Kp = ?
26Si 2,234 s 5,066 0+ K/β+ = 100
27Si 4,16 s 4,821 5/2+ K/β+ = 100
28Si stabil 0+ 92,23
29Si stabil 1/2+ 4,67
30Si stabil 0+ 3,10
31Si 157,3 min 1,492 3/2+ β− = 100
32Si 150 a 0,244 0+ β− = 100
33Si 6,18 s 5,845 3/2+ β− = 100
34Si 2,77 s 4,601 0+ β− = 100
35Si 0,78 s 10,50 β− = 100
36Si 0,45 s 7,85 (β−), 4,39 (β−n) 0+ β− = 100, β−n<10
37Si 90 ms 7/2− β− = 100, β−n = 17
38Si 0+ β− = 100, β−n > 0
39Si 47,5 ms β− = 100, β−n > 0
40Si 33 ms 0+ β− = 100, β−n > 0
41Si 20 ms β− = 100, β−n > 0
42Si 12,5 ms 0+ β− = 100, β−n > 0
43Si 60 ns β− = 100, β−n > 0
44Si 360 ns 0+ β− = 100, β−n > 0

15 Phosphor

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
25P 30 ns 1/2+ p = 100
26P 20 ms 18,12 (K/β+), 12,60 (Kp) (3+) K/β+ = 100, Kp+K2p ≈ 1,9
27P 260 ms 11,63 (K/β+), 4,17 (Kp) 1/2+ K/β+ = 100, Kp ≈ 0,05
28P 270,3 ms 14,332 (K/β+) 3+ K/β+ = 100, Kp = 0,0013, Kα = 0,00086
29P 4,140 s 4,943 1/2+ K/β+ = 100
30P 2,498 min 4,232 1+ K/β+ = 100
31P stabil 1/2+ 100
32P 14,262 d 1,711 1+ β− = 100
33P 25,34 d 0,249 1/2+ β− = 100
34P 12,43 s 5,374 1+ β− = 100
35P 47,3 s 3,989 1/2+ β− = 100
36P 5,6 s 10,413 4− β− = 100
37P 2,31 s 7,90 1/2+ β− = 100
38P 0,64 s 12,39 (β−), 4,36 (β−n) (0,4)− β− = 100, β−n<10
39P 0,16 s 10,51 (β−), 6,14 (β−n) 1/2+ β− = 100, β−n = 41
40P 260 ms 14,5 (β−), 6,75 (β−n) (2,3)− β− = 100, β−n = 30
41P 120 ms 13,8 (β−), 9,9 (β−n) 1/2+ β− = 100, β−n = 30
42P 110 ms 17,3 (β−), 10,6 (β−n) β− = 100, β−n = 50
43P 33 ms 15,6 (β−), 12,3 (β−n) 1/2+ β− = 100, β−n = 100
44P 18,5 ms β− = 100, β−n > 0
45P <200 ns β− = 100
46P <200 ns β− = 100

16 Schwefel

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
26S 10 ms 0+ 2p = 100
27S 21 ms 18,26 (K/β+) 5/2+ K/β+ = 100, K2p = 2,0, Kp = ?
28S 125 ms 11,23 (K/β+), 9,17 (Kp) 0+ K/β+ = 100, Kp = 21
29S 187 ms 13,79 5/2+ K/β+ = 100, Kp = 47
30S 1,178 s 6,138 0+ K/β+ = 100
31S 2,572 s 5,396 1/2+ K/β+ = 100
32S stabil 0+ 95,02
33S stabil 3/2+ 0,75
34S stabil 0+ 4,21
35S 87,32 d 0,167 3/2+ β− = 100
36S stabil 0+ 0,02
37S 5,05 min 4,865 7/2− β− = 100
38S 170,3 min 2,937 0+ β− = 100
39S 11,5 s 6,64 (3/2,5/2,7/2) - β− = 100
40S 8,8 s 4,71 0+ β− = 100
41S 1,99s 7/2− β− = 100, β−n > 0
42S 0,56 s 7,7 (β−), 2,0 (β−n) 0+ β− = 100, β−n < 4
43S 220 ms 11,5 (β−), 4,4 (β−n) β− = 100, β−n = 40
44S 123 ms 9,1 (β−), 5,1 (β−n) 0+ β− = 100, β−n = 18
45S 82 ms 14,1 (β−), 7,1 (β−n) β− = 100, β−n = 54
46S 50 ms 0+ β− = 100
48S <200 ns 0+ β− = 100
49S <200 ns n = 100

17 Chlor

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
29Cl 20 ns 3/2+ p = 100
30Cl 30 ns 3+ p = 100
31Cl 150 ms 11,98 (K/β+), 5,85 (Kp) K/β+ = 100, Kp = 0,44
32Cl 298 ms 12,685 (K/β+), 5,737 (Kα), 3,821 (Kp) 1+ K/β+ = 100, Kα = 0,054, Kp = 0,026
33Cl 2,511 s 5,583 3/2+ K/β+ = 100
34Cl 1,5264 s 5,492 0+ K/β+ = 100
34m1Cl 32,00 min 5,638 (K/β+), 0,146 (IT) 3+ K/β+ = 55,4, IT = 44,6
35Cl stabil 3/2+ 75,77
36Cl 3,01 × 105 a 0,709 (β−), 1,142 (K/β+) 2+ β− = 98,10, K/β+ = 1,90
37Cl stabil 3/2+ 24,23
38Cl 37,24 min 4,917 2− β− = 100
38m1Cl 715 ms 0,671 5- IT = 100
39Cl 55,6 min 3,442 3/2+ β− = 100
40Cl 1,35 min 7,48 2− β− = 100
41Cl 38,4 s 5,73 (1/2,3/2)+ β− = 100
42Cl 6,8 s 9,43 β− = 100
43Cl 3,3 s 7,95 1/2+ β− = 100
44Cl 434 ms 12,27 (β−), 3,92 (β−n) β− = 100, β−n<8
45Cl 400 ms 10,8 (β−), 5,3 (β−n) 1/2+ β− = 100, β−n = 24
46Cl 223 ms 14,9 (β−), 6,9 (β−n) β− = 100, β−n = 60
47Cl 100 ms 14,7 (β−), 10,4 (β−n) β− = 100, β−n < 3
48Cl <200 ns β− = 100
49Cl <170 ns β− = 100
51Cl <200 ns 3/2+ β− = 100

18 Argon

Isotop Halbwertszeit Zerfallsenergie in MeV Spin / Parität Zerfallsart(en) in % Häufigkeit in %
30Ar 20 ns 0+ p = ?
31Ar 15,1 ms 5/2+ K/β+ = 100, Kp = 42, K2p = 2,48, K3p = 2,1
32Ar 98 ms 11,15 (K/β+), 9,58 (Kp) 0+ K/β+ = 100, Kp = 43
33Ar 173,0 ms 11,62 (K/β+), 9,35 (Kp) 1/2+ K/β+ = 100, Kp = 38,7
34Ar 844,5 ms 6,061 0+ K/β+ = 100
35Ar 1,775 s 5,965 3/2+ K/β+ = 100
36Ar stabil 0+ 0,337
37Ar 35,04 d 0,813 3/2+ K = 100
38Ar stabil 0+ 0,063
39Ar 269 a 0,565 7/2− β− = 100
40Ar stabil 0+ 99,600
41Ar 109,34 min 2,492 7/2− β− = 100
42Ar 32,9 a 0,60 0+ β− = 100
43Ar 5,37 min 4,62 (3/2,5/2) β− = 100
44Ar 11,87 min 3,55 0+ β− = 100
45Ar 21,48 s 6,89 (5/2,7/2)− β− = 100
46Ar 8,4 s 5,70 0+ β− = 100
47Ar 0,7 s 9,79 (β−), 1,44 (β−n) 3/2− β− = 100, β−n < 1
48Ar 475 ms 0+ β− = 100
49Ar 170 ms β− = 100, β−n = 65
50Ar <170 ns 0+ β− = 100, β−n = 35
51Ar <200 ns β− = 100
52Ar 10 ms 0+ β− = 100
53Ar 3 ms 5/2− β− = 100, β−n > 0
Liste der Isotope

1. Periode | 2. Periode | 3. Periode | 4. Periode | 5. Periode | 6. Periode | 7. Periode

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