鈧的同位素
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標準原子質量 (Ar, 標準) |
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鈧(原子量:44.955907(4))共有37個同位素,其中有1個是穩定的。
圖表
符號 | Z | N | 同位素質量(u) [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[2] |
衰變 產物 [n 3] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率)[n 2] |
---|---|---|---|---|---|---|---|---|
激發能量[n 2] | ||||||||
39Sc | 21 | 18 | 38.984790(26) | <300 ns | p | 38Ca | (7/2−)# | |
40Sc | 21 | 19 | 39.977967(3) | 182.3(7) ms | β+ (99.54%) | 40Ca | 4- | |
β+, p (.44%) | 39K | |||||||
β+, α (.017%) | 36Ar | |||||||
41Sc | 21 | 20 | 40.96925113(24) | 596.3(17) ms | β+ | 41Ca | 7/2− | |
42Sc | 21 | 21 | 41.96551643(29) | 681.3(7) ms | β+ | 42Ca | 0+ | |
42mSc | 616.28(6) keV | 61.7(4) s | β+ | 42Ca | (7,5,6)+ | |||
43Sc | 21 | 22 | 42.9611507(20) | 3.891(12) h | β+ | 43Ca | 7/2− | |
43m1Sc | 151.4(2) keV | 438(7) µs | 3/2+ | |||||
43m2Sc | 3123.2(3) keV | 470(4) ns | (19/2)− | |||||
44 Sc |
21 | 23 | 43.9594028(19) | 3.97(4) h | β+ | 44Ca | 2+ | |
44m1Sc | 67.8680(14) keV | 154.2(8) ns | 1− | |||||
44m2Sc | 270.95(20) keV | 58.61(10) h | IT (98.8%) | 44Sc | 6+ | |||
β+ (1.2%) | 44Ca | |||||||
44m3Sc | 146.224(22) keV | 50.4(7) µs | 0- | |||||
45 Sc |
21 | 24 | 44.9559119(9) | 稳定 | 7/2− | 1.0000 | ||
45mSc | 12.40(5) keV | 318(7) ms | IT | 45Sc | 3/2+ | |||
46Sc | 21 | 25 | 45.9551719(9) | 83.79(4) d | β− | 46Ti | 4+ | |
46m1Sc | 52.011(1) keV | 9.4(8) µs | 6+ | |||||
46m2Sc | 142.528(7) keV | 18.75(4) s | IT | 46Sc | 1− | |||
47Sc | 21 | 26 | 46.9524075(22) | 3.3492(6) d | β− | 47Ti | 7/2− | |
47mSc | 766.83(9) keV | 272(8) ns | (3/2)+ | |||||
48Sc | 21 | 27 | 47.952231(6) | 43.67(9) h | β− | 48Ti | 6+ | |
49Sc | 21 | 28 | 48.950024(4) | 57.2(2) min | β− | 49Ti | 7/2− | |
50Sc | 21 | 29 | 49.952188(17) | 102.5(5) s | β− | 50Ti | 5+ | |
50mSc | 256.895(10) keV | 350(40) ms | IT (97.5%) | 50Sc | 2+,3+ | |||
β− (2.5%) | 50Ti | |||||||
51Sc | 21 | 30 | 50.953603(22) | 12.4(1) s | β− | 51Ti | (7/2)− | |
52Sc | 21 | 31 | 51.95668(21) | 8.2(2) s | β− | 52Ti | 3(+) | |
53Sc | 21 | 32 | 52.95961(32)# | >3 s | β− (>99.9%) | 53Ti | (7/2−)# | |
β−, n (<.1%) | 52Ti | |||||||
54Sc | 21 | 33 | 53.96326(40) | 260(30) ms | β− (>99.9%) | 54Ti | 3+# | |
β−, n (<.1%) | 53Ti | |||||||
54mSc | 110(3) keV | 7(5) µs | (5+) | |||||
55Sc | 21 | 34 | 54.96824(79) | 0.115(15) s | β− (>99.9%) | 55Ti | 7/2−# | |
β−, n (<.1%) | 54Ti | |||||||
56Sc | 21 | 35 | 55.97287(75)# | 35(5) ms | β− | 56Ti | (1+) | |
57Sc | 21 | 36 | 56.97779(75)# | 13(4) ms | β− | 57Ti | 7/2−# | |
58Sc | 21 | 37 | 57.98371(86)# | 12(5) ms | β− | 58Ti | (3+)# | |
59Sc | 21 | 38 | 58.98922(97)# | 10# ms | β−, n | 58Ti | 7/2−# | |
β− | 59Ti | |||||||
60Sc | 21 | 39 | 59.99571(97)# | 3# ms | 3+# | |||
61Sc | 21 | 40 | (60.99955348)# |
← | 同位素列表 | → |
鈣的同位素 | 鈧的同位素 | 鈦的同位素 |
参考文獻
- ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 (英语).
- ^ Universal Nuclide Chart
. nucleonica. [2015-09-11]. (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).
- 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,存于互联网档案馆), 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,存于互联网档案馆) (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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