氪的同位素

**主要的氪同位素**
β+	79Br
γ	–
γ	–
標準原子質量 (Ar, 標準)	83.798(2)[2];
←Br（35）	Rb（37）→

氪（原子量：83.798(2)）共有40個同位素，其中有5個同位素是穩定的。

圖表

符號	Z（p ）	N（n ）	同位素質量（u）	半衰期	衰變方式[3]	衰變產物[n 1]	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
符號	激發能量			半衰期	衰變方式[3]	衰變產物[n 1]	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
⁶⁹Kr	36	33	68.96518(43)#	32(10) ms	β⁺	⁶⁹Br	5/2-#
⁷⁰Kr	36	34	69.95526(41)#	52(17) ms	β⁺	⁷⁰Br	0+
⁷¹Kr	36	35	70.94963(70)	100(3) ms	β⁺ (94.8%)	⁷¹Br	(5/2)-
⁷¹Kr	36	35	70.94963(70)	100(3) ms	β⁺, p (5.2%)	⁷⁰Se	(5/2)-
⁷²Kr	36	36	71.942092(9)	17.16(18) s	β⁺	⁷²Br	0+
⁷³Kr	36	37	72.939289(7)	28.6(6) s	β⁺ (99.32%)	⁷³Br	3/2-
⁷³Kr	36	37	72.939289(7)	28.6(6) s	β⁺, p (.68%)	⁷²Se	3/2-
^73mKr	433.66(12) keV			107(10) ns			(9/2+)
⁷⁴Kr	36	38	73.9330844(22)	11.50(11) min	β⁺	⁷⁴Br	0+
⁷⁵Kr	36	39	74.930946(9)	4.29(17) min	β⁺	⁷⁵Br	5/2+
⁷⁶Kr	36	40	75.925910(4)	14.8(1) h	β⁺	⁷⁶Br	0+
⁷⁷Kr	36	41	76.9246700(21)	74.4(6) min	β⁺	⁷⁷Br	5/2+
⁷⁸Kr	36	42	77.9203648(12)	9.2 +5.5 −2.6 +1.3 −×10²¹ y[1]	Double EC	⁷⁸Se	0+	0.00355(3)
⁷⁹Kr	36	43	78.920082(4)	35.04(10) h	β⁺	⁷⁹Br	1/2-
^79mKr	129.77(5) keV			50(3) s			7/2+
⁸⁰Kr	36	44	79.9163790(16)	稳定			0+	0.02286(10)
⁸¹Kr[n 2]	36	45	80.9165920(21)	2.29(11)×10⁵ a	ε	⁸¹Br	7/2+	trace
^81mKr	190.62(4) keV			13.10(3) s	IT (99.975%)	⁸¹Kr	1/2-
^81mKr	190.62(4) keV			13.10(3) s	ε (.025%)	⁸¹Br	1/2-
⁸²Kr	36	46	81.9134836(19)	稳定			0+	0.11593(31)
⁸³Kr[n 3]	36	47	82.914136(3)	稳定			9/2+	0.11500(19)
^83m1Kr	9.4053(8) keV			154.4(11) ns			7/2+
^83m2Kr	41.5569(10) keV			1.83(2) h	IT	⁸³Kr	1/2-
84 Kr[n 3]	36	48	83.911507(3)	稳定			0+	0.56987(15)
^84mKr	3236.02(18) keV			1.89(4) µs			8+
85 Kr[n 3]	36	49	84.9125273(21)	10.776(3) a	β⁻	⁸⁵Rb	9/2+	trace
^85m1Kr	304.871(20) keV			4.480(8) h	β⁻ (78.6%)	⁸⁵Rb	1/2-
^85m1Kr	304.871(20) keV			4.480(8) h	IT (21.4%)	⁸⁵Kr	1/2-
^85m2Kr	1991.8(13) keV			1.6(7) µs [1.2(+10-4) µs]			(17/2+)
⁸⁶Kr[n 4][n 3]	36	50	85.91061073(11)	觀測上穩定[n 5]			0+	0.17279(41)
⁸⁷Kr	36	51	86.91335486(29)	76.3(5) min	β⁻	⁸⁷Rb	5/2+
⁸⁸Kr	36	52	87.914447(14)	2.84(3) h	β⁻	⁸⁸Rb	0+
⁸⁹Kr	36	53	88.91763(6)	3.15(4) min	β⁻	⁸⁹Rb	3/2(+#)
⁹⁰Kr	36	54	89.919517(20)	32.32(9) s	β⁻	^90mRb	0+
⁹¹Kr	36	55	90.92345(6)	8.57(4) s	β⁻	⁹¹Rb	5/2(+)
⁹²Kr	36	56	91.926156(13)	1.840(8) s	β⁻ (99.96%)	⁹²Rb	0+
⁹²Kr	36	56	91.926156(13)	1.840(8) s	β⁻, n (.033%)	⁹¹Rb	0+
⁹³Kr	36	57	92.93127(11)	1.286(10) s	β⁻ (98.05%)	⁹³Rb	1/2+
⁹³Kr	36	57	92.93127(11)	1.286(10) s	β⁻, n (1.95%)	⁹²Rb	1/2+
⁹⁴Kr	36	58	93.93436(32)#	210(4) ms	β⁻ (94.3%)	⁹⁴Rb	0+
⁹⁴Kr	36	58	93.93436(32)#	210(4) ms	β⁻, n (5.7%)	⁹³Rb	0+
⁹⁵Kr	36	59	94.93984(43)#	114(3) ms	β⁻	⁹⁵Rb	1/2(+)
⁹⁶Kr	36	60	95.94307(54)#	80(7) ms	β⁻	⁹⁶Rb	0+
⁹⁷Kr	36	61	96.94856(54)#	63(4) ms	β⁻	⁹⁷Rb	3/2+#
⁹⁷Kr	36	61	96.94856(54)#	63(4) ms	β⁻, n	⁹⁶Rb	3/2+#
⁹⁸Kr	36	62	97.95191(64)#	46(8) ms			0+
⁹⁹Kr	36	63	98.95760(64)#	40(11) ms			(3/2+)#
¹⁰⁰Kr	36	64	99.96114(54)#	10# ms [>300 ns]			0+
¹⁰¹Kr [n 6]	36	65	unknown	>635 ns	β⁻, 2n	⁹⁹Rb	unknown
					β⁻, n	¹⁰⁰Rb
					β⁻	¹⁰¹Rb

備註：畫上#號的數據代表沒有經過實驗的証明，只是理論推測而已，而用括號括起來的代表數據不確定性。

←	同位素列表	→
溴的同位素	氪的同位素	銣的同位素

註釋

Bold for stable isotopes, bold italics for nearly-stable isotopes (half-life longer than the age of the universe)
Used to date groundwater
Fission product
Formerly used to define the meter
Believed to decay by β⁻β⁻ to ⁸⁶Sr
New isotope.

参考文獻

Patrignani, C.; 等. . Chinese Physics C. 2016, 40 (10): 100001. doi:10.1088/1674-1137/40/10/100001. 已忽略未知参数|collaboration= (帮助) See p. 768
Meija, Juris; 等. . Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.
. [2015-09-13]. （原始内容存档于2017-02-19）.

Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report) 页面存档备份，存于. Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) 页面存档备份，存于.
Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties 页面存档备份，存于, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database 页面存档备份，存于 (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[4] Bold for stable isotopes, bold italics for nearly-stable isotopes (half-life longer than the age of the universe)

[5] Used to date groundwater

[FP-6] Fission product

[7] Formerly used to define the meter

[8] Believed to decay by β⁻β⁻ to ⁸⁶Sr

[9] New isotope.

[Patrignani2016-1] Patrignani, C.; 等. . Chinese Physics C. 2016, 40 (10): 100001. doi:10.1088/1674-1137/40/10/100001. 已忽略未知参数|collaboration= (帮助) See p. 768

[CIAAW2013-2] Meija, Juris; 等. . Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.

[3] . [2015-09-13]. （原始内容存档于2017-02-19）.