鎝的同位素
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鍀(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[編輯]
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 |
---|---|---|---|---|---|---|---|
激發能量 | |||||||
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)- | ||
IT (1%) | 91Tc | ||||||
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- | ||
β+ (23.4%) | 93Mo | ||||||
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)+ | ||
IT (.1%) | 94Tc | ||||||
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- | ||
IT (3.88%) | 95Tc | ||||||
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+ | ||
β+ (2%) | 96Mo | ||||||
97Tc | 43 | 54 | 96.906365(5) | 4.21×106 a | ε | 97Mo | 9/2+ |
97mTc | 96.56(6) keV | 91.4(8) d | IT (99.66%) | 97Tc | 1/2- | ||
ε (.34%) | 97Mo | ||||||
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- | ||
β− (.0037%) | 99Ru | ||||||
100Tc | 43 | 57 | 99.9076578(24) | 15.8(1) s | β− (99.99%) | 100Ru | 1+ |
ε (.0018%) | 100Mo | ||||||
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) | ||
IT (2%) | 102Tc | ||||||
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-# |
β−, n (.08%) | 108Ru | ||||||
110Tc | 43 | 67 | 109.92382(8) | 0.92(3) s | β− (99.96%) | 110Ru | (2+) |
β−, n (.04%) | 109Ru | ||||||
111Tc | 43 | 68 | 110.92569(12) | 290(20) ms | β− (99.15%) | 111Ru | 3/2-# |
β−, n (.85%) | 110Ru | ||||||
112Tc | 43 | 69 | 111.92915(13) | 290(20) ms | β− (97.4%) | 112Ru | 2+# |
β−, n (2.6%) | 111Ru | ||||||
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[編輯]
- ^ 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
參考文獻[編輯]
- 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) (頁面存檔備份,存於網際網路檔案館). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) (頁面存檔備份,存於網際網路檔案館).
- 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 (頁面存檔備份,存於網際網路檔案館), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (頁面存檔備份,存於網際網路檔案館) (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.
元素與同位素的穩定度 | |||||||||||||||||||||||||||||||||
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