Liste der Isotope/Ordnungszahl 11 bis Ordnungszahl 20

Liste der Isotope ist die Übersichtsseite, um komfortabel auf alle Elemente zugreifen zu können. Dort wird auch der Aufbau erklärt und die Legende zur Tabelle ist auch dort zu finden. Zerfallsenergien wurden mit den angegebenen Massen und dem Masse-Energie-Äquivalent von neu berechnet.

11 Natrium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
18Na1,3·10−21 s1,2491−p18,026 88(12)
19Na< 40 ns0,32255/2+p19,013 880(11)
20Na447,9 ms13,893 (β+), 9,163 (β+α)2+β+ = 79,95, β+α = 20,0520,007 3544(12)
21Na22,49 s3,5473/2+β+20,997 654 69(30)
22Na2,6027 a2,8433+β+21,994 437 41(18)
22m1Na244 ns0,58251+IT21,995 062 77
23Nastabil3/2+10022,989 769 2820(19)
24Na14,997 h5,51564+β23,990 962 950(38)
24m1Na20,18 ms0,472 (IT), 5,988 (β)1+IT = 99,95, β = 0,0523,991 469 83
25Na59,1 s3,8355/2+β24,989 9540(13)
26Na1,07128 s9,3533+β25,992 6346(38)
27Na301 ms9,069 (β), 2,626 (βn)5/2+β = 99,87, βn = 0,1326,994 0765(40)
28Na30,5 ms14,03 (β), 5,527 (βn)1+β = 99,42, βn = 0,5827,998 939(11)
29Na44,9 ms13,283 (β), 9,627 (βn)3/2+β = 78,5, βn = 21,529,002 8771(79)
30Na48 ms17,358 (β), 11,007 (βn), 7,351 (β2n), 5,57 (βα)2+β = 68,85, βn = 30, β2n = 1,17, βα = 5,5·10−530,009 0979(51)
31Na17 ms15,384 (β), 13,074 (βn), 6,722 (β2n), 3,066 (β3n)3/2+β = 61,93, βn = 37, β2n = 0,87, β3n = 0,231,013 163(25)
32Na13,2 ms19,636 (β), 13,858 (βn), 11,548 (β2n)3−β = 68, βn = 24, β2n = 832,020 19(13)
33Na8 ms19,005 (β), 16,725 (βn), 10,947 (β2n)3/2+β = 40, βn = 47, β2n = 1333,025 73(64#)
34Na5,5 ms22,966 (β), 18,255 (βn), 15,975 (β2n)β = 35, βn ≈ 15, β2n ≈ 5034,033 59(54#)
35Na1,5 ms22,198 (β), 21,443 (βn)β = 50, βn = 5035,040 62(63#)
36Na< 180 ns0,004741+n36,049 29(64#)
37Na> 60 ns24,852 (β), 24,689 (βn)3/2+β = ?, βn = ?37,057 05(65#)

12 Magnesium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
19Mg4 ps0,74981/2−2p19,034 169(54)
20Mg90,8 ms10,708 (β+), 8,518 (β+p)0+β+ = 73, β+p = 2720,018 850(29)
21Mg122 ms13,098 (β+), 10,666 (β+p), 6,537 (β+α)5/2+β+ = 66,9, β+p = 32,6, β+α = 0,521,011 716(18)
22Mg3,8755 s4,7820+β+21,999 570 65(34)
23Mg11,317 s4,0575/2+ε22,994 124 21(74)
23m1Mg15·10−15 s9,596 (IT), 2,016 (p)3/2+IT = ?, p = ?23,004 426 22
24Mgstabil0+078,9923,985 041 697(14)
25Mgstabil5/2+010,0024,985 836 976(50)
26Mgstabil0+011,0125,982 592 968(31)
27Mg9,458 min2,611/2+β26,984 340 624(53)
28Mg20,915 h1,8320+β27,983 8767(22)
29Mg1,3 s7,6013/2+β28,988 617(12)
30Mg335 ms6,9890+β29,990 4629(37)
31Mg232 ms11,833 (β), 4,679 (βn)1/2+β = 98,3, βn = 1,730,996 6480(33)
32Mg86 ms10,27 (β), 6,055 (βn)0+β = 94,5, βn = 5,531,999 1102(34)
33Mg90,5 ms13,43 (β), 7,99 (βn)3/2+β = 83, βn = 1733,005 3271(31)
34Mg20 ms11,392 (β), 8,72 (βn)0+β = 90, βn = 1034,008 935(31)
35Mg70 ms15,86 (β), 10,638 (βn)7/2−β = 48, βn = 5235,016 79(19)
36Mg3,9 ms14,429 (β), 12,53 (βn)0+β = 60, βn = 4036,021 88(49)
37Mg40 ms18,48 (β), 14,266 (βn)7/2−β < 100, βn = ?37,030 37(54#)
38Mg1 ms17,866 (β), 16,194 (βn)0+β = ?, βn = ?38,036 58(54#)
39Mg< 180 ns0,12587/2−n39,045 38(55#)
40Mg1 ms20,633 (β), 19,538 (βn)0+β = ?, βn = ?40,052 18(64#)

13 Aluminium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
21Al100 ps2,3185/2+p21,028 97(43#)
22Al91,1 ms18,601 (β+), 13,097 (εp), 10,665 (ε2p), 10,459 (εα)3+β+ = 44,36, εp =54,5, ε2p =1,1, εα = 0,0422,019 54(43#)
23Al446 ms12,221 (β+), 4,641 (β+p)5/2+β+ = 99,53, β+p = 0,4723,007 244 35(37)
23m1Al6,2·10−18 s0,43 (p), 0,571 (IT)1/2+p ≈ 100, IT = 8,5·10−723, 007 857 27
24Al2,053 s13,886 (β+), 2,193 (εp), 4,569 (εα)4+β+ = 99,96, εp = 0,0016, εα = 0,038423,999 9489(12)
24m1Al130 ms0,417 (IT), 14,303 (β+), 4,987 (εα)1+IT = 82,5, β+ = 17,47, εα = 0,0324,000 397
25Al7,183 s4,2775/2+β+24,990 428 10(51)
26Al7,17·105 a4,0045+ε25,986 891 904(69)
26m1Al6,3464 s4,2330+ε25,987 136 79
27Alstabil5/2+10026,981 538 53(11)
28Al2,2414 min4,6423+β27,981 910 21(13)
29Al6,56 min3,695/2+β28,980 4565(10)
30Al3,62 s8,563+β29,982 960(15)
31Al644 ms7,9945/2+β30,983 945(22)
32Al33 ms12,9791+β31,988 085(13)
32m1Al200 ns0,994354+IT31,989 152 48
33Al41,7 ms12,046 (β), 7,538 (βn)5/2+β = 91,5, βn = 8,532,990 909(81)
34Al42 ms16,887 (β), 9,374 (βn)4−β = 73, βn = 2733,996 705(74)
35Al37,2 ms14,141 (β), 11,665 (βn)5/2+β = 59, βn = 4134,999 764(75)
36Al90 ms18,346 (β), 12,242 (βn)β = 70, βn = 3036,006 39(11)
37Al10,7 ms16,403 (β), 14,131 (βn)β = 85, βn = 1537,010 53(13)
38Al7,6 ms20,378 (β), 14,731 (βn)β = ?, βn = ?38,017 40(27)
39Al7,6 ms18,676 (β), 17,095 (βn)β = ?, βn = ?39,022 54(54#)
40Al> 260 ns22,542 (β), 17,581 (βn)β = ?, βn = ?40,030 03(54#)
41Al> 260 ns21,769 (β), 20,386 (βn)β = ?, βn = ?41,036 38(64#)
42Al> 170 ns24,275 (β), 20,647 (βn)β = ?, βn = ?42,043 84(64#)
43Al> 170 ns24,843 (β), 23,311 (βn)β = ?, βn = ?43,051 47(75#)

14 Silicium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
22Si29 ms15,137 (β+), 15,136 (εp)0+β+ = 68, εp = 3222,035 79(54#)
23Si42,3 ms16,949 (β+), 16,808 (εp), 11,304 (ε2p)5/2+β+ = 25,4, εp = 71, ε2p = 3,623,025 44(54#)
24Si140,5 ms10,792 (β+), 8,929 (εp)0+β+ = 62, εp = 3824,011 535(21)
25Si220 ms12,744 (β+), 10,472 (β+p)5/2+β+ = 65, β+p = 3525,004 109(11)
26Si2,229 s5,0690+β+25,992 333 84(11)
27Si4,15 s4,8125/2+ε26,986 704 81(15)
28Sistabil0+092,22327,976 926 534 65(44)
29Sistabil1/2+004,68528,976 494 664 90(52)
30Sistabil0+003,09229,973 770 136(23)
31Si157,3 min1,4923/2+β30,975 363 194(46)
32Si153 a0,2270+β31,974 151 54(32)
33Si6,11 s5,8233/2+β32,977 976 96(75)
34Si2,77 s4,5920+β33,978 576(15)
35Si0,78 s10,1977/2−β34,984 583(41)
36Si0,45 s7,857 (β), 4,393 (βn)0+β > 90, βn < 1035,986 695(77)
37Si90 ms12,402 (β), 5,585 (βn)7/2−β = 83, βn = 1736,992 921(89)
38Si> 1 μs10,499 (β), 6,754 (βn)0+β = ?, βn = ?37,995 523(75)
39Si47,5 ms15,15 (β), 8,918 (βn)5/2−β = ?, βn = ?39,002 491(97)
40Si33 ms13,507 (β), 10,189 (βn)0+β = ?, βn = ?40,005 83(25)
41Si20 ms17,099 (β), 12,123 (βn)β = ?, βn = ?41,013 01(40)
42Si12,5 ms15,556 (β), 13,47 (βn)0+β = ?, βn = ?42,017 78(54#)
43Si> 60 ns18,425 (β), 14,024 (βn)β = ?, βn = ?43,024 80(64#)
44Si> 360 ns18,071 (β), 15,766 (βn)0+β = ?, βn = ?44,030 61(64#)
45Si45,039 95(75#)

15 Phosphor

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
24P2,3331+p24,035 77(54#)
25P< 30 ns1,7051/2+p25,021 19(43#)
26P43,7 ms18,112 (ε), 12,6 (εp), 1,329 (β+2p)3+ε = 61,04, εp = 36,8, β+2p = 2,1626,011 78(21#)
27P260 ms11,662 (β+), 4,199 (β+p)1/2+β+ = 99,93, β+p = 0,0726,999 224(28)
28P270,3 ms14,345 (ε), 2,76 (β+p), 4,361 (β+α)3+ε = 99,999, β+p = 1,3·10−3, β+α = 8,6·10−427,992 3266(12)
29P4,142 s4,9431/2+β+28,981 800 79(60)
30P2,498 min4,2321+β+29,978 313 75(34)
31Pstabil1/2+10030,973 761 998 42(70)
32P14,262 d1,7111+β31,973 907 643(42)
33P25,35 d0,2491/2+β32,971 7257(12)
34P12,43 s5,3831+β33,973 645 89(87)
35P47,3 s3,9891/2+β34,973 3141(20)
36P5,6 s10,4134−β35,978 260(14)
37P2,31 s7,91/2+β36,979 607(41)
38P0,64 s12,192 (β), 4,156 (βn)4−β = 88, βn = 1237,984 252(93)
39P0,28 s10,333 (β), 5,96 (βn)1/2+β = 74, βn = 2638,986 227(98)
40P125 ms14,762 (β), 7,015 (βn)2−β = 84,2, βn = 15,839,991 33(12)
41P100 ms14,029 (β), 9,787 (βn)1/2+β = 70, βn = 3040,994 654(86)
42P48,5 ms18,644 (β), 11,943 (βn)β = 50, βn = 5042,001 08(23)
43P36,5 ms14,2461/2+βn43,005 02(40)
44P18,5 ms19,646 (β), 14,566 (βn)3/2−β = ?, βn = ?44,011 21(54#)
45P> 200 ns19,31β45,016 45(64#)
46P> 200 ns22,747β46,024 46(75#)
47P47,031 39(86#)

16 Schwefel

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
26S79 ns1,7560+2p26,029 07(64#)
27S15,5 ms17,751 (β+), 16,88 (β+p), 11,366 (β+2p)5/2+β+ = 96,6, β+p = 2,3, β+2p = 1,127,018 28(43#)
28S125 ms11,218 (β+), 9,167 (β+p)0+β+ = 79,3, β+p = 20,728,004 37(17)
29S187 ms13,796 (β+), 11,047 (β+p)5/2+β+ = 53, β+p = 4728,996 611(54)
30S1,178 s6,1420+β+29,984 907 03(40)
31S2,572 s5,3981/2+ε30,979 557 01(25)
32Sstabil0+094,9931,972 071 1744(14)
33Sstabil3/2+000,7532,971 458 9098(15)
34Sstabil0+004,2533,967 867 004(47)
35S87,37 d0,1673/2+β34,969 032 310(43)
36Sstabil0+000,0135,967 080 71(20)
37S5,05 min4,8657/2−β36,971 125 51(21)
38S170,3 min2,9370+β37,971 1633(77)
39S11,5 s6,6387/2−β38,975 134(54)
40S8,8 s4,720+β39,975 4826(43)
41S1,99 s8,2987/2−β40,979 5935(44)
42S1,03 s7,278 (β)0+β41,981 0651(30)
43S0,28 s12,126 (β), 4,651 (βn)3/2−β = 60, βn = 4042,986 9076(53)
43m1S480 ns0,549297/2−IT42,987 497 29
44S100 ms11,41 (β), 7,046 (βn)0+β = 82, βn = 1843,990 1188(56)
45S68 ms14,373 (β), 8,556 (βn)β = 46, βn = 5444,995 72(74)
46S50 ms13,8510+β46,000 04(54#)
47S20 ms17,503 (β), 13,148 (βn)3/2−β = ?, βn = ?47,007 95(54#)
48S> 200 ns16,8230+β48,013 70(64#)
49S< 200 ns0,368023/2−n49,022 76(72#)

17 Chlor

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
28Cl3,121+p28,029 54(64#)
29Cl< 20 ns2,4083/2+p29,014 78(43#)
30Cl< 30 ns0,311093+p30,004 77(21#)
31Cl150 ms11,976 (ε), 5,845 (β+p)3/2+ε = 99,3, β+p = 0,730,992 414(54)
32Cl298 ms12,681 (ε), 3,817 (εp), 5,733 (β+α)1+ε = 99,92, εp = 0,3, β+α = 0,0531,985 684 64(60)
33Cl2,511 s5,5833/2+ε32,977 451 99(42)
34Cl1,5264 s5,4920+ε33,973 762 485(52)
34m1Cl32 min5,639 (ε), 0,14749 (IT)3+ε = 55,4, IT = 44,633,973 920 82
35Clstabil3/2+075,7634,968 852 682(37)
36Cl3,01·105 a0,70952 (β), 1,142 (ε)2+β = 98,1, ε = 1,935,968 306 809(38)
37Clstabil3/2+024,2436,965 902 602(55)
38Cl37,24 min4,9172−β37,968 010 44(11)
38m1Cl715 ms0,6715−IT37,968 731 31
39Cl55,6 min3,4223/2+β38,968 0082(19)
40Cl1,35 min7,4822−β39,970 415(34)
41Cl38,4 s5,7611/2+β40,970 685(74)
42Cl6,8 s9,5052−β41,973 25(15)
43Cl3,13 s7,6881/2+β42,973 89(10)
44Cl0,56 s12,059 (β), 3,325 (βn)2−β = 92, βn = 843,977 87(20)
45Cl413 ms11,411 (β), 6,242 (βn)1/2+β = 76, βn = 2444,980 29(11)
46Cl232 ms15,916 (β), 7,885 (βn)2−β = 40, βn = 6045,985 17(17)
47Cl101 ms15,113 (β), 11,562 (βn)β > 97, βn < 346,989 16(43#)
48Cl> 200 ns18,378β47,995 64(54#)
49Cl> 170 ns18,006β49,001 23(64#)
50Cl20 ms21,35 (β), 17,219 (βn)β = ?, βn = ?50,009 05(64#)
51Cl> 200 ns20,3443/2+β51,015 54(75#)

18 Argon

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
30Ar20 ns0,433110+p30,023 07(54#)
31Ar14,4 ms18,4 (ε), 18,3 (β+p), 13,7 (β+2p), 10,9 (β+3p), 9,6 (εα), 8,72 (εpα)5/2+ε = 29,39, β+p = 63, β+2p = 7,2, β+3p = 0,001, εα = 0,03, εpα = 0,3831,012 12(22#)
32Ar100,5 ms11,134 (ε), 9,553 (εp)0+ε = 57, εp = 4331,997 6378(19)
33Ar173 ms11,619 (ε), 9,342 (εp)1/2+ε = 61,3, εp = 38,732,989 925 55(43)
34Ar844,5 ms6,0620+ε33,980 270 090(83)
35Ar1,7756 s5,9663/2+ε34,975 257 59(80)
36Arstabil 0+000,333635,967 545 105(28)
37Ar35,04 d0,813873/2+ε36,966 776 33(22)
38Arstabil0+000,062937,962 732 11(21)
39Ar269 a0,564967/2−β38,964 3130(54)
40Arstabil0+099,603539,962 383 1237(24)
41Ar109,61 min2,4927/2−β40,964 500 57(37)
42Ar32,9 a0,599310+β41,963 0457(62)
43Ar5,37 min4,5665/2−β42,965 6361(57)
44Ar11,87 min3,1080+β43,964 9238(17)
45Ar21,48 s6,8455/2−β44,968 039 73(55)
46Ar8,4 s5,6830+β45,968 083(44)
47Ar1,23 s10,501 (β), 2,132 (βn)3/2−β > 99,8, βn < 0,246,972 935(96)
48Ar475 ms9,8450+β47,975 91(32#)
49Ar170 ms12,752 (β), 7,353 (βn)3/2−β = 35, βn = 6548,981 90(43#)
50Ar85 ms12,808 (β), 8,62 (βn)0+β = 65, βn = 3549,986 13(54#)
51Ar> 200 ns16,6485/2−β50,993 70(64#)
52Ar10 ms15,5750+β51,998 96(64#)
53Ar3 ms18,4725/2−β53,007 29(75#)

19 Kalium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
32K2,52p32,022 65(54#)
33K< 25 ns1,9543/2+p33,007 56(21#)
34K< 25 ns0,875061+p33,998 69(32#)
35K178 ms11,875 (ε), 5,978 (εp)3/2+ε = 99,63, εp = 0,3734,988 005 41(55)
36K342 ms12,815 (ε), 4,308 (εp), 6,174 (εα)2+ε = 99,95, εp = 0,05, εα = 0,003435,981 302 01(37)
37K1,226 s6,1483/2+ε36,973 375 89(10)
38K7,636 min5,9143+ε37,969 081 12(21)
38m1K924,3 ms6,0450+ε37,969 221 92
38m2K22 µs3,4597+IT37,972 794 35
39Kstabil3/2+093,258138,963 706 4864(49)
40K1,248·109 a1,311 (β), 1,504 (ε)4−β = 89,28, ε = 10,72000,011739,963 998 166(60)
40m1K336 ns1,6440IT39,965 763 07
41Kstabil3/2+006,730240,961 825 2579(41)
42K12,321 h3,5252−β41,962 402 31(11)
43K22,3 h1,8333/2+β42,960 734 70(44)
44K22,13 min5,6872−β43,961 586 99(45)
45K17,81 min4,1973/2+β44,960 691 49(56)
46K105 s7,7252−β45,961 981 59(78)
47K17,5 s6,6321/2+β46,961 6616(15)
48K6,8 s11,94 (β), 1,988 (βn)2−β = 98,86, βn = 1,1447,965 341 19(83)
49K1,26 s11,688 (β), 6,542 (βn)3/2+β = 14, βn = 8648,968 210 75(86)
50K472 ms13,861 (β), 7,501 (βn)2−β = 71, βn = 2949,972 3800(83)
51K365 ms13,822 (β), 9,002 (βn)3/2+β = 53, βn = 4750,975 828(14)
52K118 ms17,72 (β), 11,724 (βn)2−β = 36, βn = 6451,982 24(43#)
53K30 ms16,776 (β), 14,511 (βn), 8,515 (β2n)3/2+β = 16, βn = 67, β2n = 1752,987 46(54#)
54K10 ms19,776 (β), 15,384 (βn)2−β = ?, βn = ?53,994 63(64#)
55K3 ms19,058 (β), 17,414 (βn)3/2+β = ?, βn = ?55,000 76(75#)
56K> 620 ns21,825β56,008 51(86#)

20 Calcium

Iso­top Halbwerts­zeit Zerfallsenergie
(MeV)
Spin /
Parität
Zerfallsart(en)
(%)
NH
(%)
Masse
(u)
34Ca< 35 ns1,4740+p34,014 87(32#)
35Ca25,7 ms15,877 (εp), 11,213 (ε2p)3/2+εp = 95,9, ε2p = 4,135,005 14(21#)
36Ca102 ms10,966 (ε), 9,307 (εp)0+ε = 45,7, εp = 54,335,993 074(43)
37Ca181,1 ms11,664 (ε), 9,807 (εp)3/2+ε = 18,9, εp = 82,136,985 897 85(68)
38Ca440 ms6,7420+ε37,976 319 22(21)
39Ca859,6 ms6,5253/2+ε38,970 710 81(64)
40Castabil 0,193510+096,94139,962 590 863(22)
41Ca1,02·105 a0,4227/2−ε40,962 277 92(15)
42Castabil0+000,64741,958 617 83(16)
43Castabil7/2−000,13542,958 766 44(24)
44Castabil0+002,08643,955 481 56(35)
45Ca162,61 d0,259027/2−β44,956 186 35(39)
46Castabil 0,988580+000,00445,953 6890(24)
47Ca4,536 d1,9927/2−β46,954 5424(24)
48Ca> 6,4·1019 a0,27867 (β), 4,267 (2β)0+β = 25, 2β = 75000,18747,952 522 76(13)
49Ca8,718 min5,2613/2−β48,955 662 74(23)
50Ca13,9 s4,9590+β49,957 4992(17)
51Ca10 s6,893/2−β50,960 989(24)
52Ca4,6 s5,903 (β), 0,89431 (βn)0+β = 98, βn = 251,963 217(64)
53Ca90 ms9,65 (β), 3,638 (βn)3/2−β = 70, βn = 3052,969 45(43#)
54Ca86 ms9,4420+β53,973 40(54#)
55Ca22 ms11,6255/2−β54,980 30(54#)
56Ca11 ms10,833 (β), 8,006 (βn)0+β = ?, βn = ?55,985 08(64#)
57Ca5 ms13,833 (β), 9,786 (βn)β = ?, βn = ?56,992 62(64#)
58Ca> 620 ns12,957 (β), 10,717 (βn)0+β = ?, βn = ?57,997 94(75#)

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