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 $\textstyle \Delta m=931{,}4940954{\frac {\mathrm {MeV} }{\mathrm {u} }}$ neu berechnet.^[1]

₁₁ Natrium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
¹⁸Na	1,3·10⁻²¹ s	1,249	1−	p		18,026 88(12)
¹⁹Na	< 40 ns	0,3225	5/2+	p		19,013 880(11)
²⁰Na	447,9 ms	13,893 (β⁺), 9,163 (β⁺α)	2+	β⁺ = 79,95, β⁺α = 20,05		20,007 3544(12)
²¹Na	22,49 s	3,547	3/2+	β⁺		20,997 654 69(30)
²²Na	2,6027 a	2,843	3+	β⁺		21,994 437 41(18)
^22m1Na	244 ns	0,5825	1+	IT		21,995 062 77
²³Na	stabil		3/2+		100	22,989 769 2820(19)
²⁴Na	14,997 h	5,5156	4+	β⁻		23,990 962 950(38)
^24m1Na	20,18 ms	0,472 (IT), 5,988 (β⁻)	1+	IT = 99,95, β⁻ = 0,05		23,991 469 83
²⁵Na	59,1 s	3,835	5/2+	β⁻		24,989 9540(13)
²⁶Na	1,07128 s	9,353	3+	β⁻		25,992 6346(38)
²⁷Na	301 ms	9,069 (β⁻), 2,626 (β⁻n)	5/2+	β⁻ = 99,87, β⁻n = 0,13		26,994 0765(40)
²⁸Na	30,5 ms	14,03 (β⁻), 5,527 (β⁻n)	1+	β⁻ = 99,42, β⁻n = 0,58		27,998 939(11)
²⁹Na	44,9 ms	13,283 (β⁻), 9,627 (β⁻n)	3/2+	β⁻ = 78,5, β⁻n = 21,5		29,002 8771(79)
³⁰Na	48 ms	17,358 (β⁻), 11,007 (β⁻n), 7,351 (β⁻2n), 5,57 (β⁻α)	2+	β⁻ = 68,85, β⁻n = 30, β⁻2n = 1,17, β⁻α = 5,5·10⁻⁵		30,009 0979(51)
³¹Na	17 ms	15,384 (β⁻), 13,074 (β⁻n), 6,722 (β⁻2n), 3,066 (β⁻3n)	3/2+	β⁻ = 61,93, β⁻n = 37, β⁻2n = 0,87, β⁻3n = 0,2		31,013 163(25)
³²Na	13,2 ms	19,636 (β⁻), 13,858 (β⁻n), 11,548 (β⁻2n)	3−	β⁻ = 68, β⁻n = 24, β⁻2n = 8		32,020 19(13)
³³Na	8 ms	19,005 (β⁻), 16,725 (β⁻n), 10,947 (β⁻2n)	3/2+	β⁻ = 40, β⁻n = 47, β⁻2n = 13		33,025 73(64#)
³⁴Na	5,5 ms	22,966 (β⁻), 18,255 (β⁻n), 15,975 (β⁻2n)		β⁻ = 35, β⁻n ≈ 15, β⁻2n ≈ 50		34,033 59(54#)
³⁵Na	1,5 ms	22,198 (β⁻), 21,443 (β⁻n)		β⁻ = 50, β⁻n = 50		35,040 62(63#)
³⁶Na	< 180 ns	0,00474	1+	n		36,049 29(64#)
³⁷Na	> 60 ns	24,852 (β⁻), 24,689 (β⁻n)	3/2+	β⁻ = ?, β⁻n = ?		37,057 05(65#)

₁₂ Magnesium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
¹⁹Mg	4 ps	0,7498	1/2−	2p		19,034 169(54)
²⁰Mg	90,8 ms	10,708 (β⁺), 8,518 (β⁺p)	0+	β⁺ = 73, β⁺p = 27		20,018 850(29)
²¹Mg	122 ms	13,098 (β⁺), 10,666 (β⁺p), 6,537 (β⁺α)	5/2+	β⁺ = 66,9, β⁺p = 32,6, β⁺α = 0,5		21,011 716(18)
²²Mg	3,8755 s	4,782	0+	β⁺		21,999 570 65(34)
²³Mg	11,317 s	4,057	5/2+	ε		22,994 124 21(74)
^23m1Mg	15·10⁻¹⁵ s	9,596 (IT), 2,016 (p)	3/2+	IT = ?, p = ?		23,004 426 22
²⁴Mg	stabil		0+		078,99	23,985 041 697(14)
²⁵Mg	stabil		5/2+		010,00	24,985 836 976(50)
²⁶Mg	stabil		0+		011,01	25,982 592 968(31)
²⁷Mg	9,458 min	2,61	1/2+	β⁻		26,984 340 624(53)
²⁸Mg	20,915 h	1,832	0+	β⁻		27,983 8767(22)
²⁹Mg	1,3 s	7,601	3/2+	β⁻		28,988 617(12)
³⁰Mg	335 ms	6,989	0+	β⁻		29,990 4629(37)
³¹Mg	232 ms	11,833 (β⁻), 4,679 (β⁻n)	1/2+	β⁻ = 98,3, β⁻n = 1,7		30,996 6480(33)
³²Mg	86 ms	10,27 (β⁻), 6,055 (β⁻n)	0+	β⁻ = 94,5, β⁻n = 5,5		31,999 1102(34)
³³Mg	90,5 ms	13,43 (β⁻), 7,99 (β⁻n)	3/2+	β⁻ = 83, β⁻n = 17		33,005 3271(31)
³⁴Mg	20 ms	11,392 (β⁻), 8,72 (β⁻n)	0+	β⁻ = 90, β⁻n = 10		34,008 935(31)
³⁵Mg	70 ms	15,86 (β⁻), 10,638 (β⁻n)	7/2−	β⁻ = 48, β⁻n = 52		35,016 79(19)
³⁶Mg	3,9 ms	14,429 (β⁻), 12,53 (β⁻n)	0+	β⁻ = 60, β⁻n = 40		36,021 88(49)
³⁷Mg	40 ms	18,48 (β⁻), 14,266 (β⁻n)	7/2−	β⁻ < 100, β⁻n = ?		37,030 37(54#)
³⁸Mg	1 ms	17,866 (β⁻), 16,194 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		38,036 58(54#)
³⁹Mg	< 180 ns	0,1258	7/2−	n		39,045 38(55#)
⁴⁰Mg	1 ms	20,633 (β⁻), 19,538 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		40,052 18(64#)

₁₃ Aluminium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
²¹Al	100 ps	2,318	5/2+	p		21,028 97(43#)
²²Al	91,1 ms	18,601 (β⁺), 13,097 (εp), 10,665 (ε2p), 10,459 (εα)	3+	β⁺ = 44,36, εp =54,5, ε2p =1,1, εα = 0,04		22,019 54(43#)
²³Al	446 ms	12,221 (β⁺), 4,641 (β⁺p)	5/2+	β⁺ = 99,53, β⁺p = 0,47		23,007 244 35(37)
^23m1Al	6,2·10⁻¹⁸ s	0,43 (p), 0,571 (IT)	1/2+	p ≈ 100, IT = 8,5·10⁻⁷		23, 007 857 27
²⁴Al	2,053 s	13,886 (β⁺), 2,193 (εp), 4,569 (εα)	4+	β⁺ = 99,96, εp = 0,0016, εα = 0,0384		23,999 9489(12)
^24m1Al	130 ms	0,417 (IT), 14,303 (β⁺), 4,987 (εα)	1+	IT = 82,5, β⁺ = 17,47, εα = 0,03		24,000 397
²⁵Al	7,183 s	4,277	5/2+	β⁺		24,990 428 10(51)
²⁶Al	7,17·10⁵ a	4,004	5+	ε		25,986 891 904(69)
^26m1Al	6,3464 s	4,233	0+	ε		25,987 136 79
²⁷Al	stabil		5/2+		100	26,981 538 53(11)
²⁸Al	2,2414 min	4,642	3+	β⁻		27,981 910 21(13)
²⁹Al	6,56 min	3,69	5/2+	β⁻		28,980 4565(10)
³⁰Al	3,62 s	8,56	3+	β⁻		29,982 960(15)
³¹Al	644 ms	7,994	5/2+	β⁻		30,983 945(22)
³²Al	33 ms	12,979	1+	β⁻		31,988 085(13)
^32m1Al	200 ns	0,99435	4+	IT		31,989 152 48
³³Al	41,7 ms	12,046 (β⁻), 7,538 (β⁻n)	5/2+	β⁻ = 91,5, β⁻n = 8,5		32,990 909(81)
³⁴Al	42 ms	16,887 (β⁻), 9,374 (β⁻n)	4−	β⁻ = 73, β⁻n = 27		33,996 705(74)
³⁵Al	37,2 ms	14,141 (β⁻), 11,665 (β⁻n)	5/2+	β⁻ = 59, β⁻n = 41		34,999 764(75)
³⁶Al	90 ms	18,346 (β⁻), 12,242 (β⁻n)		β⁻ = 70, β⁻n = 30		36,006 39(11)
³⁷Al	10,7 ms	16,403 (β⁻), 14,131 (β⁻n)		β⁻ = 85, β⁻n = 15		37,010 53(13)
³⁸Al	7,6 ms	20,378 (β⁻), 14,731 (β⁻n)		β⁻ = ?, β⁻n = ?		38,017 40(27)
³⁹Al	7,6 ms	18,676 (β⁻), 17,095 (β⁻n)		β⁻ = ?, β⁻n = ?		39,022 54(54#)
⁴⁰Al	> 260 ns	22,542 (β⁻), 17,581 (β⁻n)		β⁻ = ?, β⁻n = ?		40,030 03(54#)
⁴¹Al	> 260 ns	21,769 (β⁻), 20,386 (β⁻n)		β⁻ = ?, β⁻n = ?		41,036 38(64#)
⁴²Al	> 170 ns	24,275 (β⁻), 20,647 (β⁻n)		β⁻ = ?, β⁻n = ?		42,043 84(64#)
⁴³Al	> 170 ns	24,843 (β⁻), 23,311 (β⁻n)		β⁻ = ?, β⁻n = ?		43,051 47(75#)

₁₄ Silicium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
²²Si	29 ms	15,137 (β⁺), 15,136 (εp)	0+	β⁺ = 68, εp = 32		22,035 79(54#)
²³Si	42,3 ms	16,949 (β⁺), 16,808 (εp), 11,304 (ε2p)	5/2+	β⁺ = 25,4, εp = 71, ε2p = 3,6		23,025 44(54#)
²⁴Si	140,5 ms	10,792 (β⁺), 8,929 (εp)	0+	β⁺ = 62, εp = 38		24,011 535(21)
²⁵Si	220 ms	12,744 (β⁺), 10,472 (β⁺p)	5/2+	β⁺ = 65, β⁺p = 35		25,004 109(11)
²⁶Si	2,229 s	5,069	0+	β⁺		25,992 333 84(11)
²⁷Si	4,15 s	4,812	5/2+	ε		26,986 704 81(15)
²⁸Si	stabil		0+		092,223	27,976 926 534 65(44)
²⁹Si	stabil		1/2+		004,685	28,976 494 664 90(52)
³⁰Si	stabil		0+		003,092	29,973 770 136(23)
³¹Si	157,3 min	1,492	3/2+	β⁻		30,975 363 194(46)
³²Si	153 a	0,227	0+	β⁻		31,974 151 54(32)
³³Si	6,11 s	5,823	3/2+	β⁻		32,977 976 96(75)
³⁴Si	2,77 s	4,592	0+	β⁻		33,978 576(15)
³⁵Si	0,78 s	10,197	7/2−	β⁻		34,984 583(41)
³⁶Si	0,45 s	7,857 (β⁻), 4,393 (β⁻n)	0+	β⁻ > 90, β⁻n < 10		35,986 695(77)
³⁷Si	90 ms	12,402 (β⁻), 5,585 (β⁻n)	7/2−	β⁻ = 83, β⁻n = 17		36,992 921(89)
³⁸Si	> 1 μs	10,499 (β⁻), 6,754 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		37,995 523(75)
³⁹Si	47,5 ms	15,15 (β⁻), 8,918 (β⁻n)	5/2−	β⁻ = ?, β⁻n = ?		39,002 491(97)
⁴⁰Si	33 ms	13,507 (β⁻), 10,189 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		40,005 83(25)
⁴¹Si	20 ms	17,099 (β⁻), 12,123 (β⁻n)		β⁻ = ?, β⁻n = ?		41,013 01(40)
⁴²Si	12,5 ms	15,556 (β⁻), 13,47 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		42,017 78(54#)
⁴³Si	> 60 ns	18,425 (β⁻), 14,024 (β⁻n)		β⁻ = ?, β⁻n = ?		43,024 80(64#)
⁴⁴Si	> 360 ns	18,071 (β⁻), 15,766 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		44,030 61(64#)
⁴⁵Si						45,039 95(75#)

₁₅ Phosphor

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
²⁴P		2,333	1+	p		24,035 77(54#)
²⁵P	< 30 ns	1,705	1/2+	p		25,021 19(43#)
²⁶P	43,7 ms	18,112 (ε), 12,6 (εp), 1,329 (β⁺2p)	3+	ε = 61,04, εp = 36,8, β⁺2p = 2,16		26,011 78(21#)
²⁷P	260 ms	11,662 (β⁺), 4,199 (β⁺p)	1/2+	β⁺ = 99,93, β⁺p = 0,07		26,999 224(28)
²⁸P	270,3 ms	14,345 (ε), 2,76 (β⁺p), 4,361 (β⁺α)	3+	ε = 99,999, β⁺p = 1,3·10⁻³, β⁺α = 8,6·10⁻⁴		27,992 3266(12)
²⁹P	4,142 s	4,943	1/2+	β⁺		28,981 800 79(60)
³⁰P	2,498 min	4,232	1+	β⁺		29,978 313 75(34)
³¹P	stabil		1/2+		100	30,973 761 998 42(70)
³²P	14,262 d	1,711	1+	β⁻		31,973 907 643(42)
³³P	25,35 d	0,249	1/2+	β⁻		32,971 7257(12)
³⁴P	12,43 s	5,383	1+	β⁻		33,973 645 89(87)
³⁵P	47,3 s	3,989	1/2+	β⁻		34,973 3141(20)
³⁶P	5,6 s	10,413	4−	β⁻		35,978 260(14)
³⁷P	2,31 s	7,9	1/2+	β⁻		36,979 607(41)
³⁸P	0,64 s	12,192 (β⁻), 4,156 (β⁻n)	4−	β⁻ = 88, β⁻n = 12		37,984 252(93)
³⁹P	0,28 s	10,333 (β⁻), 5,96 (β⁻n)	1/2+	β⁻ = 74, β⁻n = 26		38,986 227(98)
⁴⁰P	125 ms	14,762 (β⁻), 7,015 (β⁻n)	2−	β⁻ = 84,2, β⁻n = 15,8		39,991 33(12)
⁴¹P	100 ms	14,029 (β⁻), 9,787 (β⁻n)	1/2+	β⁻ = 70, β⁻n = 30		40,994 654(86)
⁴²P	48,5 ms	18,644 (β⁻), 11,943 (β⁻n)		β⁻ = 50, β⁻n = 50		42,001 08(23)
⁴³P	36,5 ms	14,246	1/2+	β⁻n		43,005 02(40)
⁴⁴P	18,5 ms	19,646 (β⁻), 14,566 (β⁻n)	3/2−	β⁻ = ?, β⁻n = ?		44,011 21(54#)
⁴⁵P	> 200 ns	19,31		β⁻		45,016 45(64#)
⁴⁶P	> 200 ns	22,747		β⁻		46,024 46(75#)
⁴⁷P						47,031 39(86#)

₁₆ Schwefel

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
²⁶S	79 ns	1,756	0+	2p		26,029 07(64#)
²⁷S	15,5 ms	17,751 (β⁺), 16,88 (β⁺p), 11,366 (β⁺2p)	5/2+	β⁺ = 96,6, β⁺p = 2,3, β⁺2p = 1,1		27,018 28(43#)
²⁸S	125 ms	11,218 (β⁺), 9,167 (β⁺p)	0+	β⁺ = 79,3, β⁺p = 20,7		28,004 37(17)
²⁹S	187 ms	13,796 (β⁺), 11,047 (β⁺p)	5/2+	β⁺ = 53, β⁺p = 47		28,996 611(54)
³⁰S	1,178 s	6,142	0+	β⁺		29,984 907 03(40)
³¹S	2,572 s	5,398	1/2+	ε		30,979 557 01(25)
³²S	stabil		0+		094,99	31,972 071 1744(14)
³³S	stabil		3/2+		000,75	32,971 458 9098(15)
³⁴S	stabil		0+		004,25	33,967 867 004(47)
³⁵S	87,37 d	0,167	3/2+	β⁻		34,969 032 310(43)
³⁶S	stabil		0+		000,01	35,967 080 71(20)
³⁷S	5,05 min	4,865	7/2−	β⁻		36,971 125 51(21)
³⁸S	170,3 min	2,937	0+	β⁻		37,971 1633(77)
³⁹S	11,5 s	6,638	7/2−	β⁻		38,975 134(54)
⁴⁰S	8,8 s	4,72	0+	β⁻		39,975 4826(43)
⁴¹S	1,99 s	8,298	7/2−	β⁻		40,979 5935(44)
⁴²S	1,03 s	7,278 (β⁻)	0+	β⁻		41,981 0651(30)
⁴³S	0,28 s	12,126 (β⁻), 4,651 (β⁻n)	3/2−	β⁻ = 60, β⁻n = 40		42,986 9076(53)
^43m1S	480 ns	0,54929	7/2−	IT		42,987 497 29
⁴⁴S	100 ms	11,41 (β⁻), 7,046 (β⁻n)	0+	β⁻ = 82, β⁻n = 18		43,990 1188(56)
⁴⁵S	68 ms	14,373 (β⁻), 8,556 (β⁻n)		β⁻ = 46, β⁻n = 54		44,995 72(74)
⁴⁶S	50 ms	13,851	0+	β⁻		46,000 04(54#)
⁴⁷S	20 ms	17,503 (β⁻), 13,148 (β⁻n)	3/2−	β⁻ = ?, β⁻n = ?		47,007 95(54#)
⁴⁸S	> 200 ns	16,823	0+	β⁻		48,013 70(64#)
⁴⁹S	< 200 ns	0,36802	3/2−	n		49,022 76(72#)

₁₇ Chlor

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
²⁸Cl		3,12	1+	p		28,029 54(64#)
²⁹Cl	< 20 ns	2,408	3/2+	p		29,014 78(43#)
³⁰Cl	< 30 ns	0,31109	3+	p		30,004 77(21#)
³¹Cl	150 ms	11,976 (ε), 5,845 (β⁺p)	3/2+	ε = 99,3, β⁺p = 0,7		30,992 414(54)
³²Cl	298 ms	12,681 (ε), 3,817 (εp), 5,733 (β⁺α)	1+	ε = 99,92, εp = 0,3, β⁺α = 0,05		31,985 684 64(60)
³³Cl	2,511 s	5,583	3/2+	ε		32,977 451 99(42)
³⁴Cl	1,5264 s	5,492	0+	ε		33,973 762 485(52)
^34m1Cl	32 min	5,639 (ε), 0,14749 (IT)	3+	ε = 55,4, IT = 44,6		33,973 920 82
³⁵Cl	stabil		3/2+		075,76	34,968 852 682(37)
³⁶Cl	3,01·10⁵ a	0,70952 (β⁻), 1,142 (ε)	2+	β⁻ = 98,1, ε = 1,9		35,968 306 809(38)
³⁷Cl	stabil		3/2+		024,24	36,965 902 602(55)
³⁸Cl	37,24 min	4,917	2−	β⁻		37,968 010 44(11)
^38m1Cl	715 ms	0,671	5−	IT		37,968 731 31
³⁹Cl	55,6 min	3,422	3/2+	β⁻		38,968 0082(19)
⁴⁰Cl	1,35 min	7,482	2−	β⁻		39,970 415(34)
⁴¹Cl	38,4 s	5,761	1/2+	β⁻		40,970 685(74)
⁴²Cl	6,8 s	9,505	2−	β⁻		41,973 25(15)
⁴³Cl	3,13 s	7,688	1/2+	β⁻		42,973 89(10)
⁴⁴Cl	0,56 s	12,059 (β⁻), 3,325 (β⁻n)	2−	β⁻ = 92, β⁻n = 8		43,977 87(20)
⁴⁵Cl	413 ms	11,411 (β⁻), 6,242 (β⁻n)	1/2+	β⁻ = 76, β⁻n = 24		44,980 29(11)
⁴⁶Cl	232 ms	15,916 (β⁻), 7,885 (β⁻n)	2−	β⁻ = 40, β⁻n = 60		45,985 17(17)
⁴⁷Cl	101 ms	15,113 (β⁻), 11,562 (β⁻n)		β⁻ > 97, β⁻n < 3		46,989 16(43#)
⁴⁸Cl	> 200 ns	18,378		β⁻		47,995 64(54#)
⁴⁹Cl	> 170 ns	18,006		β⁻		49,001 23(64#)
⁵⁰Cl	20 ms	21,35 (β⁻), 17,219 (β⁻n)		β⁻ = ?, β⁻n = ?		50,009 05(64#)
⁵¹Cl	> 200 ns	20,344	3/2+	β⁻		51,015 54(75#)

₁₈ Argon

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
³⁰Ar	20 ns	0,43311	0+	p		30,023 07(54#)
³¹Ar	14,4 ms	18,4 (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 = 0,38		31,012 12(22#)
³²Ar	100,5 ms	11,134 (ε), 9,553 (εp)	0+	ε = 57, εp = 43		31,997 6378(19)
³³Ar	173 ms	11,619 (ε), 9,342 (εp)	1/2+	ε = 61,3, εp = 38,7		32,989 925 55(43)
³⁴Ar	844,5 ms	6,062	0+	ε		33,980 270 090(83)
³⁵Ar	1,7756 s	5,966	3/2+	ε		34,975 257 59(80)
³⁶Ar	stabil ^2ε		0+		000,3336	35,967 545 105(28)
³⁷Ar	35,04 d	0,81387	3/2+	ε		36,966 776 33(22)
³⁸Ar	stabil		0+		000,0629	37,962 732 11(21)
³⁹Ar	269 a	0,56496	7/2−	β⁻		38,964 3130(54)
⁴⁰Ar	stabil		0+		099,6035	39,962 383 1237(24)
⁴¹Ar	109,61 min	2,492	7/2−	β⁻		40,964 500 57(37)
⁴²Ar	32,9 a	0,59931	0+	β⁻		41,963 0457(62)
⁴³Ar	5,37 min	4,566	5/2−	β⁻		42,965 6361(57)
⁴⁴Ar	11,87 min	3,108	0+	β⁻		43,964 9238(17)
⁴⁵Ar	21,48 s	6,845	5/2−	β⁻		44,968 039 73(55)
⁴⁶Ar	8,4 s	5,683	0+	β⁻		45,968 083(44)
⁴⁷Ar	1,23 s	10,501 (β⁻), 2,132 (β⁻n)	3/2−	β⁻ > 99,8, β⁻n < 0,2		46,972 935(96)
⁴⁸Ar	475 ms	9,845	0+	β⁻		47,975 91(32#)
⁴⁹Ar	170 ms	12,752 (β⁻), 7,353 (β⁻n)	3/2−	β⁻ = 35, β⁻n = 65		48,981 90(43#)
⁵⁰Ar	85 ms	12,808 (β⁻), 8,62 (β⁻n)	0+	β⁻ = 65, β⁻n = 35		49,986 13(54#)
⁵¹Ar	> 200 ns	16,648	5/2−	β⁻		50,993 70(64#)
⁵²Ar	10 ms	15,575	0+	β⁻		51,998 96(64#)
⁵³Ar	3 ms	18,472	5/2−	β⁻		53,007 29(75#)

₁₉ Kalium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
³²K		2,52		p		32,022 65(54#)
³³K	< 25 ns	1,954	3/2+	p		33,007 56(21#)
³⁴K	< 25 ns	0,87506	1+	p		33,998 69(32#)
³⁵K	178 ms	11,875 (ε), 5,978 (εp)	3/2+	ε = 99,63, εp = 0,37		34,988 005 41(55)
³⁶K	342 ms	12,815 (ε), 4,308 (εp), 6,174 (εα)	2+	ε = 99,95, εp = 0,05, εα = 0,0034		35,981 302 01(37)
³⁷K	1,226 s	6,148	3/2+	ε		36,973 375 89(10)
³⁸K	7,636 min	5,914	3+	ε		37,969 081 12(21)
^38m1K	924,3 ms	6,045	0+	ε		37,969 221 92
^38m2K	22 µs	3,459	7+	IT		37,972 794 35
³⁹K	stabil		3/2+		093,2581	38,963 706 4864(49)
⁴⁰K	1,248·10⁹ a	1,311 (β⁻), 1,504 (ε)	4−	β⁻ = 89,28, ε = 10,72	000,0117	39,963 998 166(60)
^40m1K	336 ns	1,644	0	IT		39,965 763 07
⁴¹K	stabil		3/2+		006,7302	40,961 825 2579(41)
⁴²K	12,321 h	3,525	2−	β⁻		41,962 402 31(11)
⁴³K	22,3 h	1,833	3/2+	β⁻		42,960 734 70(44)
⁴⁴K	22,13 min	5,687	2−	β⁻		43,961 586 99(45)
⁴⁵K	17,81 min	4,197	3/2+	β⁻		44,960 691 49(56)
⁴⁶K	105 s	7,725	2−	β⁻		45,961 981 59(78)
⁴⁷K	17,5 s	6,632	1/2+	β⁻		46,961 6616(15)
⁴⁸K	6,8 s	11,94 (β⁻), 1,988 (β⁻n)	2−	β⁻ = 98,86, β⁻n = 1,14		47,965 341 19(83)
⁴⁹K	1,26 s	11,688 (β⁻), 6,542 (β⁻n)	3/2+	β⁻ = 14, β⁻n = 86		48,968 210 75(86)
⁵⁰K	472 ms	13,861 (β⁻), 7,501 (β⁻n)	2−	β⁻ = 71, β⁻n = 29		49,972 3800(83)
⁵¹K	365 ms	13,822 (β⁻), 9,002 (β⁻n)	3/2+	β⁻ = 53, β⁻n = 47		50,975 828(14)
⁵²K	118 ms	17,72 (β⁻), 11,724 (β⁻n)	2−	β⁻ = 36, β⁻n = 64		51,982 24(43#)
⁵³K	30 ms	16,776 (β⁻), 14,511 (β⁻n), 8,515 (β⁻2n)	3/2+	β⁻ = 16, β⁻n = 67, β⁻2n = 17		52,987 46(54#)
⁵⁴K	10 ms	19,776 (β⁻), 15,384 (β⁻n)	2−	β⁻ = ?, β⁻n = ?		53,994 63(64#)
⁵⁵K	3 ms	19,058 (β⁻), 17,414 (β⁻n)	3/2+	β⁻ = ?, β⁻n = ?		55,000 76(75#)
⁵⁶K	> 620 ns	21,825		β⁻		56,008 51(86#)

₂₀ Calcium

Isotop	Halbwertszeit	Zerfallsenergie (MeV)	Spin / Parität	Zerfallsart(en) (%)	NH (%)	Masse (u)
³⁴Ca	< 35 ns	1,474	0+	p		34,014 87(32#)
³⁵Ca	25,7 ms	15,877 (εp), 11,213 (ε2p)	3/2+	εp = 95,9, ε2p = 4,1		35,005 14(21#)
³⁶Ca	102 ms	10,966 (ε), 9,307 (εp)	0+	ε = 45,7, εp = 54,3		35,993 074(43)
³⁷Ca	181,1 ms	11,664 (ε), 9,807 (εp)	3/2+	ε = 18,9, εp = 82,1		36,985 897 85(68)
³⁸Ca	440 ms	6,742	0+	ε		37,976 319 22(21)
³⁹Ca	859,6 ms	6,525	3/2+	ε		38,970 710 81(64)
⁴⁰Ca	stabil ^2ε	0,19351	0+	2ε	096,941	39,962 590 863(22)
⁴¹Ca	1,02·10⁵ a	0,422	7/2−	ε		40,962 277 92(15)
⁴²Ca	stabil		0+		000,647	41,958 617 83(16)
⁴³Ca	stabil		7/2−		000,135	42,958 766 44(24)
⁴⁴Ca	stabil		0+		002,086	43,955 481 56(35)
⁴⁵Ca	162,61 d	0,25902	7/2−	β⁻		44,956 186 35(39)
⁴⁶Ca	stabil ^2β	0,98858	0+	2β	000,004	45,953 6890(24)
⁴⁷Ca	4,536 d	1,992	7/2−	β⁻		46,954 5424(24)
⁴⁸Ca	> 6,4·10¹⁹ a	0,27867 (β⁻), 4,267 (2β)	0+	β⁻ = 25, 2β = 75	000,187	47,952 522 76(13)
⁴⁹Ca	8,718 min	5,261	3/2−	β⁻		48,955 662 74(23)
⁵⁰Ca	13,9 s	4,959	0+	β⁻		49,957 4992(17)
⁵¹Ca	10 s	6,89	3/2−	β⁻		50,960 989(24)
⁵²Ca	4,6 s	5,903 (β⁻), 0,89431 (β⁻n)	0+	β⁻ = 98, β⁻n = 2		51,963 217(64)
⁵³Ca	90 ms	9,65 (β⁻), 3,638 (β⁻n)	3/2−	β⁻ = 70, β⁻n = 30		52,969 45(43#)
⁵⁴Ca	86 ms	9,442	0+	β⁻		53,973 40(54#)
⁵⁵Ca	22 ms	11,625	5/2−	β⁻		54,980 30(54#)
⁵⁶Ca	11 ms	10,833 (β⁻), 8,006 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		55,985 08(64#)
⁵⁷Ca	5 ms	13,833 (β⁻), 9,786 (β⁻n)		β⁻ = ?, β⁻n = ?		56,992 62(64#)
⁵⁸Ca	> 620 ns	12,957 (β⁻), 10,717 (β⁻n)	0+	β⁻ = ?, β⁻n = ?		57,997 94(75#)

Siehe auch Liste der Isotope#Weblinks

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Liste der Isotope/Ordnungszahl 11 bis Ordnungszahl 20

Inhaltsverzeichnis

₁₁ Natrium

₁₂ Magnesium

₁₃ Aluminium

₁₄ Silicium

₁₅ Phosphor

₁₆ Schwefel

₁₇ Chlor

₁₈ Argon

₁₉ Kalium

₂₀ Calcium

Einzelnachweise

Navigation

Liste der Isotope/Ordnungszahl 11 bis Ordnungszahl 20

11 Natrium

12 Magnesium

13 Aluminium

14 Silicium

15 Phosphor

16 Schwefel

17 Chlor

18 Argon

19 Kalium

20 Calcium

Einzelnachweise

₁₁ Natrium

₁₂ Magnesium

₁₃ Aluminium

₁₄ Silicium

₁₅ Phosphor

₁₆ Schwefel

₁₇ Chlor

₁₈ Argon

₁₉ Kalium

₂₀ Calcium