- 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.
Inhaltsverzeichnis
11 Natrium
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 19Na p = ? 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) 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 = ? 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) 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) β− = 100, β−n = 17 34Mg 20 ms 11,3 (β−), 8,9 (β−n) 0+ β− = 100, β−n = ? 13 Aluminium
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 21Al <35 ns 22Al 70 ms 18,58 (K/β+), 13,08 (Kp) K/β+ = 100, Kp+K2p ≈ 2,9 23Al 0,47 s 12,24 (K/β+), 4,66 (Kp) 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 37Al 16,1 β− = 100 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 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 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 5,66 β−n = 100 < 15 15 Phosphor
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 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 β− = 100 37P 2,31 s 7,90 β− = 100 38P 0,64 s 12,39 (β−), 4,36 (β−n) β− = 100, β−n<10 39P 0,16 s 10,51 (β−), 6,14 (β−n) β− = 100, β−n = 41 40P 260 ms 14,5 (β−), 6,75 (β−n) β− = 100, β−n = 30 41P 120 ms 13,8 (β−), 9,9 (β−n) 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) β− = 100, β−n = 100 16 Schwefel
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 27S 21 ms 18,26 (K/β+) 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 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 17 Chlor
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 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 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) β− = 100, β−n = 24 46Cl 223 ms 14,9 (β−), 6,9 (β−n) β− = 100, β−n = 60 47Cl 14,7 (β−), 10,4 (β−n) β− = 100, β−n < 3 18 Argon
Isotop Halbwertszeit Zerfallsenergie in MeV spin / Parität Zerfallsart(en) in % Häufigkeit in % 30Ar 20 ns 0+ p = ? 31Ar 15,1 ms 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 β− = 100 46Ar 8,4 s 5,70 0+ β− = 100 47Ar 0,7 s 9,79 (β−), 1,44 (β−n) β− = 100, β−n < 1
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