锝共有57個已知同位素，沒有一種是穩定的。
圖表
|-
| rowspan=3|85Tc
| rowspan=3 style="text-align:right" | 43
| rowspan=3 style="text-align:right" | 42
| rowspan=3|84.94883(43)#
| rowspan=3|85Mo
| rowspan=3|1/2-#
| rowspan="3" |
|-
|
| 84Mo
|-
| ,
| 84Nb
|-
| 86Tc
| style="text-align:right" | 43
| style="text-align:right" | 43
| 85.94288(32)#
| 55(6) ms
|
| 86Mo
| (0+)
|
|-
| style="text-indent:1em" | 86mTc
| colspan="3" style="text-indent:2em" | 1500(150) keV
| 1.11(21) µs
|
|
| (5+,5-)
|
|-
| 87Tc
| style="text-align:right" | 43
| style="text-align:right" | 44
| 86.93653(32)#
| 2.18(16) s
|
| 87Mo
| 1/2-#
|
|-
| style="text-indent:1em" | 87mTc
| colspan="3" style="text-indent:2em" | 20(60)# keV
| 2# s
|
|
| 9/2+#
|
|-
| 88Tc
| style="text-align:right" | 43
| style="text-align:right" | 45
| 87.93268(22)#
| 5.8(2) s
|
| 88Mo
| (2,3)
|
|-
| style="text-indent:1em" | 88mTc
| colspan="3" style="text-indent:2em" | 0(300)# keV
| 6.4(8) s
|
| 88Mo
| (6,7,8)
|
|-
| 89Tc
| style="text-align:right" | 43
| style="text-align:right" | 46
| 88.92717(22)#
| 12.8(9) s
|
| 89Mo
| (9/2+)
|
|-
| style="text-indent:1em" | 89mTc
| colspan="3" style="text-indent:2em" | 62.6(5) keV
| 12.9(8) s
|
| 89Mo
| (1/2-)
|
|-
| 90Tc
| style="text-align:right" | 43
| style="text-align:right" | 47
| 89.92356(26)
| 8.7(2) s
|
| 90Mo
| 1+
|
|-
| style="text-indent:1em" | 90mTc
| colspan="3" style="text-indent:2em" | 310(390) keV
| 49.2(4) s
|
| 90Mo
| (8+)
|
|-
| 91Tc
| style="text-align:right" | 43
| style="text-align:right" | 48
| 90.91843(22)
| 3.14(2) min
|
| 91Mo
| (9/2)+
|
|-
| rowspan=2 style="text-indent:1em" | 91mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 139.3(3) keV
| rowspan=2|3.3(1) min
| (99%)
| 91Mo
| rowspan=2|(1/2)-
| rowspan="2" |
|-
| IT (1%)
| 91Tc
|-
| 92Tc
| style="text-align:right" | 43
| style="text-align:right" | 49
| 91.915260(28)
| 4.25(15) min
|
| 92Mo
| (8)+
|
|-
| style="text-indent:1em" | 92mTc
| colspan="3" style="text-indent:2em" | 270.15(11) keV
| 1.03(7) µs
|
|
| (4+)
|
|-
| 93Tc
| style="text-align:right" | 43
| style="text-align:right" | 50
| 92.910249(4)
| 2.75(5) h
|
| 93Mo
| 9/2+
|
|-
| rowspan=2 style="text-indent:1em" | 93m1Tc
| rowspan=2 colspan="3" style="text-indent:2em" | 391.84(8) keV
| rowspan=2|43.5(10) min
| IT (76.6%)
| 93Tc
| rowspan=2|1/2-
| rowspan="2" |
|-
| (23.4%)
| 93Mo
|-
| style="text-indent:1em" | 93m2Tc
| colspan="3" style="text-indent:2em" | 2185.16(15) keV
| 10.2(3) µs
|
|
| (17/2)-
|
|-
| 94Tc
| style="text-align:right" | 43
| style="text-align:right" | 51
| 93.909657(5)
| 293(1) min
|
| 94Mo
| 7+
|
|-
| rowspan=2 style="text-indent:1em" | 94mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 75.5(19) keV
| rowspan=2|52.0(10) min
| (99.9%)
| 94Mo
| rowspan=2|(2)+
| rowspan="2" |
|-
| IT (.1%)
| 94Tc
|-
| 95Tc
| style="text-align:right" | 43
| style="text-align:right" | 52
| 94.907657(6)
| 20.0(1) h
|
| 95Mo
| 9/2+
|
|-
| rowspan=2 style="text-indent:1em" | 95mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 38.89(5) keV
| rowspan=2|61(2) d
| (96.12%)
| 95Mo
| rowspan=2|1/2-
| rowspan="2" |
|-
| IT (3.88%)
| 95Tc
|-
| 96Tc
| style="text-align:right" | 43
| style="text-align:right" | 53
| 95.907871(6)
| 4.28(7) d
|
| 96Mo
| 7+
|
|-
| rowspan=2 style="text-indent:1em" | 96mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 34.28(7) keV
| rowspan=2|51.5(10) min
| IT (98%)
| 96Tc
| rowspan=2|4+
| rowspan="2" |
|-
| (2%)
| 96Mo
|-
| 97Tc
| style="text-align:right" | 43
| style="text-align:right" | 54
| 96.906365(5)
| 4.21×106 a
|
| 97Mo
| 9/2+
|
|-
| rowspan=2 style="text-indent:1em" | 97mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 96.56(6) keV
| rowspan=2|91.4(8) d
| IT (99.66%)
| 97Tc
| rowspan=2|1/2-
| rowspan="2" |
|-
| (.34%)
| 97Mo
|-
|
| style="text-align:right" | 43
| style="text-align:right" | 55
| 97.907216(4)
| 4.2(3)×106 a
|
| 98Ru
| (6)+
|
|-
| style="text-indent:1em" |
| colspan="3" style="text-indent:2em" | 90.76(16) keV
| 14.7(3) µs
|
|
| (2)-
|
|-
|
| style="text-align:right" | 43
| style="text-align:right" | 56
| 98.9062547(21)
| 2.111(12)×105 a
|
| 99Ru
| 9/2+
|痕量
|-
| rowspan=2 style="text-indent:1em" |
| rowspan=2 colspan="3" style="text-indent:2em" | 142.6832(11) keV
| rowspan=2|6.0058(12) h
| IT (99.99%)
| 99Tc
| rowspan=2|1/2-
| rowspan="2" |
|-
| (.0037%)
| 99Ru
|-
| rowspan=2|100Tc
| rowspan=2 style="text-align:right" | 43
| rowspan=2 style="text-align:right" | 57
| rowspan=2|99.9076578(24)
| rowspan=2|15.8(1) s
| (99.99%)
| 100Ru
| rowspan=2|1+
| rowspan="2" |
|-
| (.0018%)
| 100Mo
|-
| style="text-indent:1em" | 100m1Tc
| colspan="3" style="text-indent:2em" | 200.67(4) keV
| 8.32(14) µs
|
|
| (4)+
|
|-
| style="text-indent:1em" | 100m2Tc
| colspan="3" style="text-indent:2em" | 243.96(4) keV
| 3.2(2) µs
|
|
| (6)+
|
|-
| 101Tc
| style="text-align:right" | 43
| style="text-align:right" | 58
| 100.907315(26)
| 14.22(1) min
|
| 101Ru
| 9/2+
|
|-
| style="text-indent:1em" | 101mTc
| colspan="3" style="text-indent:2em" | 207.53(4) keV
| 636(8) µs
|
|
| 1/2-
|
|-
| 102Tc
| style="text-align:right" | 43
| style="text-align:right" | 59
| 101.909215(10)
| 5.28(15) s
|
| 102Ru
| 1+
|
|-
| rowspan=2 style="text-indent:1em" | 102mTc
| rowspan=2 colspan="3" style="text-indent:2em" | 20(10) keV
| rowspan=2|4.35(7) min
| (98%)
| 102Ru
| rowspan=2|(4,5)
|
|-
| IT (2%)
| 102Tc
|
|-
| 103Tc
| style="text-align:right" | 43
| style="text-align:right" | 60
| 102.909181(11)
| 54.2(8) s
|
| 103Ru
| 5/2+
|
|-
| 104Tc
| style="text-align:right" | 43
| style="text-align:right" | 61
| 103.91145(5)
| 18.3(3) min
|
| 104Ru
| (3+)#
|
|-
| style="text-indent:1em" | 104m1Tc
| colspan="3" style="text-indent:2em" | 69.7(2) keV
| 3.5(3) µs
|
|
| 2(+)
|
|-
| style="text-indent:1em" | 104m2Tc
| colspan="3" style="text-indent:2em" | 106.1(3) keV
| 0.40(2) µs
|
|
| (+)
|
|-
| 105Tc
| style="text-align:right" | 43
| style="text-align:right" | 62
| 104.91166(6)
| 7.6(1) min
|
| 105Ru
| (3/2-)
|
|-
| 106Tc
| style="text-align:right" | 43
| style="text-align:right" | 63
| 105.914358(14)
| 35.6(6) s
|
| 106Ru
| (1,2)
|
|-
| 107Tc
| style="text-align:right" | 43
| style="text-align:right" | 64
| 106.91508(16)
| 21.2(2) s
|
| 107Ru
| (3/2-)
|
|-
| style="text-indent:1em" | 107mTc
| colspan="3" style="text-indent:2em" | 65.7(10) keV
| 184(3) ns
|
|
| (5/2-)
|
|-
| 108Tc
| style="text-align:right" | 43
| style="text-align:right" | 65
| 107.91846(14)
| 5.17(7) s
|
| 108Ru
| (2)+
|
|-
| rowspan=2|109Tc
| rowspan=2 style="text-align:right" | 43
| rowspan=2 style="text-align:right" | 66
| rowspan=2|108.91998(10)
| rowspan=2|860(40) ms
| (99.92%)
| 109Ru
| rowspan=2|3/2-#
| rowspan="2" |
|-
| , (.08%)
| 108Ru
|-
| rowspan=2|110Tc
| rowspan=2 style="text-align:right" | 43
| rowspan=2 style="text-align:right" | 67
| rowspan=2|109.92382(8)
| rowspan=2|0.92(3) s
| (99.96%)
| 110Ru
| rowspan=2|(2+)
| rowspan="2" |
|-
| , (.04%)
| 109Ru
|-
| rowspan=2|111Tc
| rowspan=2 style="text-align:right" | 43
| rowspan=2 style="text-align:right" | 68
| rowspan=2|110.92569(12)
| rowspan=2|290(20) ms
| (99.15%)
| 111Ru
| rowspan=2|3/2-#
| rowspan="2" |
|-
| , (.85%)
| 110Ru
|-
| rowspan=2|112Tc
| rowspan=2 style="text-align:right" | 43
| rowspan=2 style="text-align:right" | 69
| rowspan=2|111.92915(13)
| rowspan=2|290(20) ms
| (97.4%)
| 112Ru
| rowspan=2|2+#
| rowspan="2" |
|-
| , (2.6%)
| 111Ru
|-
| 113Tc
| style="text-align:right" | 43
| style="text-align:right" | 70
| 112.93159(32)#
| 170(20) ms
|
| 113Ru
| 3/2-#
|
|-
| 114Tc
| style="text-align:right" | 43
| style="text-align:right" | 71
| 113.93588(64)#
| 150(30) ms
|
| 114Ru
| 2+#
|
|-
| 115Tc
| style="text-align:right" | 43
| style="text-align:right" | 72
| 114.93869(75)#
| 100# ms [>300 ns]
|
| 115Ru
| 3/2-#
|
|-
| 116Tc
| style="text-align:right" | 43
| style="text-align:right" | 73
| 115.94337(75)#
| 90# ms [>300 ns]
|
|
| 2+#
|
|-
| 117Tc
| style="text-align:right" | 43
| style="text-align:right" | 74
| 116.94648(75)#
| 40# ms [>300 ns]
|
|
| 3/2-#
|
|-
| 118Tc
| style="text-align:right" | 43
| style="text-align:right" | 75
| 117.95148(97)#
| 30# ms [>300 ns]
|
|
| 2+#
|
|}
参考文獻
- Isotope masses from [https://web.archive.org/web/20080923134436/http://www.nndc.bnl.gov/amdc/index.html Ame2003 Atomic Mass Evaluation] by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
** Audi, Bersillon, Blachot, Wapstra. [http://amdc.in2p3.fr/web/nubase_en.html 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 [http://www.nndc.bnl.gov/nudat2/ 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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