鈧（原子量：44.955907(4)）共有37個同位素，其中有1個是穩定的。
事实速览 同位素, 衰變 ...
主要的鈧同位素|
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| 標準原子質量 (Ar, 標準) | - 7001449559070000000♠44.955907(4)[1]
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关闭
更多信息 符號, Z ...
| 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
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β+
|
43Ca
|
7/2−
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|
| 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
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|
|
0-
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|
45
Sc
|
21
|
24
|
44.9559119(9)
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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−
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|
| 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)#
|
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关闭
畫上#號的數據代表沒有經過實驗的証明，僅為理論推測。
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）.
- 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.
