鐒的同位素

**主要的鐒同位素**
22% SF	-
22% ε	254No
←No（102）	Rf（104）→

鐒的同位素

圖表

符號	Z（p ）	N（n ）	同位素質量（u）	半衰期	衰變方式[1][n 1]	衰變產物	原子核自旋
符號	激發能量			半衰期	衰變方式[1][n 1]	衰變產物	原子核自旋
²⁵²Lr[n 2]	103	149	252.09526(26)#	390(90) ms [0.36(+11−7) s]	α (90%)	²⁴⁸Md
					β⁺ (10%)	²⁵²No
					SF (1%)	(various)
²⁵³Lr[n 3]	103	150	253.09509(22)#	580(70) ms [0.57(+7−6) s]	α (90%)	²⁴⁹Md	(7/2−)
					SF (9%)	(various)
					β⁺ (1%)	²⁵³No
^253mLr[n 3]	30(100)# keV			1.5(3) s [1.5(+3−2) s]			(1/2−)
²⁵⁴Lr[n 4]	103	151	254.09648(32)#	13(3) s	α (78%)	²⁵⁰Md
					β⁺ (22%)	²⁵⁴No
					SF (.1%)	(various)
²⁵⁵Lr	103	152	255.096562(19)	22(4) s	α (69%)	²⁵¹Md	7/2−#
					β⁺ (30%)	²⁵⁵No
					SF (1%)	(various)
²⁵⁶Lr	103	153	256.09849(9)	27(3) s	α (80%)	²⁵²Md
					β⁺ (20%)	²⁵⁶No
					SF (.01%)	(various)
²⁵⁷Lr	103	154	257.09942(5)#	646(25) ms	α (99.99%)	²⁵³Md	9/2+#
					β⁺ (.01%)	²⁵⁷No
					SF (.001%)	(various)
²⁵⁸Lr	103	155	258.10176(11)#	4.1(3) s	α (95%)	²⁵⁴Md
²⁵⁸Lr	103	155	258.10176(11)#	4.1(3) s	β⁺ (5%)	²⁵⁸No
²⁵⁹Lr	103	156	259.10290(8)#	6.2(3) s	α (77%)	²⁵⁵Md	9/2+#
					SF (23%)	(various)
					β⁺ (.5%)	²⁵⁹No
²⁶⁰Lr	103	157	260.10551(13)#	2.7 min	α (75%)	²⁵⁶Md
					β⁺ (15%)	²⁶⁰No
					SF (10%)	(various)
²⁶¹Lr	103	158	261.10688(22)#	44 min	SF	(various)
²⁶¹Lr	103	158	261.10688(22)#	44 min	α （不常見）	²⁵⁷Md
²⁶²Lr	103	159	262.10961(22)#	216 min	β⁺	²⁶²No
²⁶²Lr	103	159	262.10961(22)#	216 min	α （不常見）	²⁵⁸Md
²⁶³Lr	103	160	263.11136(30)#	5# h	α	²⁵⁹Md
²⁶⁴Lr	103	161	264.11420(47)#	10# h	α	²⁶⁰Md
²⁶⁵Lr	103	162	265.11619(65)#	10# h	α	²⁶¹Md
²⁶⁶Lr[n 5]	103	163	266.11983(56)#	11 h	SF	(various)

備註：畫上#號的數據代表沒有經過實驗的證明，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	→
锘的同位素	鐒的同位素	鑪的同位素

註釋

Abbreviations:
SF: Spontaneous fission
Not directly synthesized, occurs as a decay product of ²⁵⁶Db
Not directly synthesized, occurs as a decay product of ²⁵⁷Db
Not directly synthesized, occurs as a decay product of ²⁵⁸Db
Not directly synthesized, occurs as a decay product of ²⁹⁴Ts

参考文獻

. nucleonica. .

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). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.

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[2] Abbreviations:
SF: Spontaneous fission

[3] Not directly synthesized, occurs as a decay product of ²⁵⁶Db

[l-4] Not directly synthesized, occurs as a decay product of ²⁵⁷Db

[5] Not directly synthesized, occurs as a decay product of ²⁵⁸Db

[6] Not directly synthesized, occurs as a decay product of ²⁹⁴Ts

[1] . nucleonica. .