鎝的同位素

**主要的鎝同位素**
γ	–
IT	95Tc
γ	–
γ	–
γ	–
←Mo（42）	Ru（44）→

锝（原子質量單位：98.9072(4)）共有57個同位素，沒有一種是穩定的。

圖表

符號	Z（p ）	N（n ）	同位素質量（u）	半衰期	衰變方式[1][n 1]	衰變產物[n 2]	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[n 2]	原子核自旋
⁸⁵Tc	43	42	84.94883(43)#	<110 ns	β⁺	⁸⁵Mo	1/2-#
					p	⁸⁴Mo
					β⁺, p	⁸⁴Nb
⁸⁶Tc	43	43	85.94288(32)#	55(6) ms	β⁺	⁸⁶Mo	(0+)
^86mTc	1500(150) keV			1.11(21) µs			(5+,5-)
⁸⁷Tc	43	44	86.93653(32)#	2.18(16) s	β⁺	⁸⁷Mo	1/2-#
^87mTc	20(60)# keV			2# s			9/2+#
⁸⁸Tc	43	45	87.93268(22)#	5.8(2) s	β⁺	⁸⁸Mo	(2,3)
^88mTc	0(300)# keV			6.4(8) s	β⁺	⁸⁸Mo	(6,7,8)
⁸⁹Tc	43	46	88.92717(22)#	12.8(9) s	β⁺	⁸⁹Mo	(9/2+)
^89mTc	62.6(5) keV			12.9(8) s	β⁺	⁸⁹Mo	(1/2-)
⁹⁰Tc	43	47	89.92356(26)	8.7(2) s	β⁺	⁹⁰Mo	1+
^90mTc	310(390) keV			49.2(4) s	β⁺	⁹⁰Mo	(8+)
⁹¹Tc	43	48	90.91843(22)	3.14(2) min	β⁺	⁹¹Mo	(9/2)+
^91mTc	139.3(3) keV			3.3(1) min	β⁺ (99%)	⁹¹Mo	(1/2)-
^91mTc	139.3(3) keV			3.3(1) min	IT (1%)	⁹¹Tc	(1/2)-
⁹²Tc	43	49	91.915260(28)	4.25(15) min	β⁺	⁹²Mo	(8)+
^92mTc	270.15(11) keV			1.03(7) µs			(4+)
⁹³Tc	43	50	92.910249(4)	2.75(5) h	β⁺	⁹³Mo	9/2+
^93m1Tc	391.84(8) keV			43.5(10) min	IT (76.6%)	⁹³Tc	1/2-
^93m1Tc	391.84(8) keV			43.5(10) min	β⁺ (23.4%)	⁹³Mo	1/2-
^93m2Tc	2185.16(15) keV			10.2(3) µs			(17/2)-
⁹⁴Tc	43	51	93.909657(5)	293(1) min	β⁺	⁹⁴Mo	7+
^94mTc	75.5(19) keV			52.0(10) min	β⁺ (99.9%)	⁹⁴Mo	(2)+
^94mTc	75.5(19) keV			52.0(10) min	IT (.1%)	⁹⁴Tc	(2)+
⁹⁵Tc	43	52	94.907657(6)	20.0(1) h	β⁺	⁹⁵Mo	9/2+
^95mTc	38.89(5) keV			61(2) d	β⁺ (96.12%)	⁹⁵Mo	1/2-
^95mTc	38.89(5) keV			61(2) d	IT (3.88%)	⁹⁵Tc	1/2-
⁹⁶Tc	43	53	95.907871(6)	4.28(7) d	β⁺	⁹⁶Mo	7+
^96mTc	34.28(7) keV			51.5(10) min	IT (98%)	⁹⁶Tc	4+
^96mTc	34.28(7) keV			51.5(10) min	β⁺ (2%)	⁹⁶Mo	4+
⁹⁷Tc	43	54	96.906365(5)	2.6×10⁶ a	ε	⁹⁷Mo	9/2+
^97mTc	96.56(6) keV			91.4(8) d	IT (99.66%)	⁹⁷Tc	1/2-
^97mTc	96.56(6) keV			91.4(8) d	ε (.34%)	⁹⁷Mo	1/2-
98 Tc	43	55	97.907216(4)	4.2(3)×10⁶ a	β⁻	⁹⁸Ru	(6)+
98m Tc	90.76(16) keV			14.7(3) µs			(2)-
99 Tc[n 3]	43	56	98.9062547(21)	2.111(12)×10⁵ a	β⁻	⁹⁹Ru	9/2+
99m Tc[n 4]	142.6832(11) keV			6.0058(12) h	IT (99.99%)	⁹⁹Tc	1/2-
99m Tc[n 4]	142.6832(11) keV			6.0058(12) h	β⁻ (.0037%)	⁹⁹Ru	1/2-
¹⁰⁰Tc	43	57	99.9076578(24)	15.8(1) s	β⁻ (99.99%)	¹⁰⁰Ru	1+
¹⁰⁰Tc	43	57	99.9076578(24)	15.8(1) s	ε (.0018%)	¹⁰⁰Mo	1+
^100m1Tc	200.67(4) keV			8.32(14) µs			(4)+
^100m2Tc	243.96(4) keV			3.2(2) µs			(6)+
¹⁰¹Tc	43	58	100.907315(26)	14.22(1) min	β⁻	¹⁰¹Ru	9/2+
^101mTc	207.53(4) keV			636(8) µs			1/2-
¹⁰²Tc	43	59	101.909215(10)	5.28(15) s	β⁻	¹⁰²Ru	1+
^102mTc	20(10) keV			4.35(7) min	β⁻ (98%)	¹⁰²Ru	(4,5)
^102mTc	20(10) keV			4.35(7) min	IT (2%)	¹⁰²Tc	(4,5)
¹⁰³Tc	43	60	102.909181(11)	54.2(8) s	β⁻	¹⁰³Ru	5/2+
¹⁰⁴Tc	43	61	103.91145(5)	18.3(3) min	β⁻	¹⁰⁴Ru	(3+)#
^104m1Tc	69.7(2) keV			3.5(3) µs			2(+)
^104m2Tc	106.1(3) keV			0.40(2) µs			(+)
¹⁰⁵Tc	43	62	104.91166(6)	7.6(1) min	β⁻	¹⁰⁵Ru	(3/2-)
¹⁰⁶Tc	43	63	105.914358(14)	35.6(6) s	β⁻	¹⁰⁶Ru	(1,2)
¹⁰⁷Tc	43	64	106.91508(16)	21.2(2) s	β⁻	¹⁰⁷Ru	(3/2-)
^107mTc	65.7(10) keV			184(3) ns			(5/2-)
¹⁰⁸Tc	43	65	107.91846(14)	5.17(7) s	β⁻	¹⁰⁸Ru	(2)+
¹⁰⁹Tc	43	66	108.91998(10)	860(40) ms	β⁻ (99.92%)	¹⁰⁹Ru	3/2-#
¹⁰⁹Tc	43	66	108.91998(10)	860(40) ms	β⁻, n (.08%)	¹⁰⁸Ru	3/2-#
¹¹⁰Tc	43	67	109.92382(8)	0.92(3) s	β⁻ (99.96%)	¹¹⁰Ru	(2+)
¹¹⁰Tc	43	67	109.92382(8)	0.92(3) s	β⁻, n (.04%)	¹⁰⁹Ru	(2+)
¹¹¹Tc	43	68	110.92569(12)	290(20) ms	β⁻ (99.15%)	¹¹¹Ru	3/2-#
¹¹¹Tc	43	68	110.92569(12)	290(20) ms	β⁻, n (.85%)	¹¹⁰Ru	3/2-#
¹¹²Tc	43	69	111.92915(13)	290(20) ms	β⁻ (97.4%)	¹¹²Ru	2+#
¹¹²Tc	43	69	111.92915(13)	290(20) ms	β⁻, n (2.6%)	¹¹¹Ru	2+#
¹¹³Tc	43	70	112.93159(32)#	170(20) ms	β⁻	¹¹³Ru	3/2-#
¹¹⁴Tc	43	71	113.93588(64)#	150(30) ms	β⁻	¹¹⁴Ru	2+#
¹¹⁵Tc	43	72	114.93869(75)#	100# ms [>300 ns]	β⁻	¹¹⁵Ru	3/2-#
¹¹⁶Tc	43	73	115.94337(75)#	90# ms [>300 ns]			2+#
¹¹⁷Tc	43	74	116.94648(75)#	40# ms [>300 ns]			3/2-#
¹¹⁸Tc	43	75	117.95148(97)#	30# ms [>300 ns]			2+#

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	→
鉬的同位素	鎝的同位素	釕的同位素

註釋

Abbreviations:
ε: Electron capture
IT: Isomeric transition
Bold for stable isotopes, bold italics for nearly-stable isotopes (half-life longer than the age of the universe)
Long-lived fission product
Used in medicine

参考文獻

http://www.nucleonica.net/unc.aspx

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:
ε: Electron capture
IT: Isomeric transition

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

[4] Long-lived fission product

[5] Used in medicine

[1] ttp://www.nucleonica.net/unc.aspx