鈧（原子量：44955907 4）共有 37 個同位素，其中有 1 個是穩定的。 圖表 39Sc styletextalignright 21 styletextalignright 18 38984790 26 300 ns p 38Ca 72 rowspan340Sc rowspan3 styletextalignright 21 rowspan3 styletextalignright 19 rowspan339977967 3 rowspan31823 7 ms β 9954 40Ca rowspan34 rowspan3 β p 44 39K β α 017 36Ar 41Sc styletextalignright 21 styletextalignright 20 4096925113 24 5963 17 ms β 41Ca 72 42Sc styletextalignright 21 styletextalignright 21 4196551643 29 6813 7 ms β 42Ca 0 styletextindent1em 42mSc colspan3 styletextindent2em 61628 6 keV 617 4 s β 42Ca 756 43Sc styletextalignright 21 styletextalignright 22 429611507 20 3891 12 h β 43Ca 72 styletextindent1em 43m1Sc colspan3 styletextindent2em 1514 2 keV 438 7 µs 32 styletextindent1em 43m2Sc colspan3 styletextindent2em 31232 3 keV 470 4 ns 192 styletextalignright 21 styletextalignright 23 439594028 19 397 4 h β 44Ca 2 styletextindent1em 44m1Sc colspan3 styletextindent2em 678680 14 keV 1542 8 ns 1 rowspan2 styletextindent1em 44m2Sc rowspan2 colspan3 styletextindent2em 27095 20 keV rowspan25861 10 h IT 988 44Sc rowspan2 6 rowspan2 β 12 44Ca styletextindent1em 44m3Sc colspan3 styletextindent2em 146224 22 keV 504 7 µs 0 styletextalignright 21 styletextalignright 24 449559119 9 colspan3 aligncenter 72 10000 styletextindent1em 45mSc colspan3 styletextindent2em 1240 5 keV 318 7 ms IT 45Sc 32 46Sc styletextalignright 21 styletextalignright 25 459551719 9 8379 4 d β 46Ti 4 styletextindent1em 46m1Sc colspan3 styletextindent2em 52011 1 keV 94 8 µs 6 styletextindent1em 46m2Sc colspan3 styletextindent2em 142528 7 keV 1875 4 s IT 46Sc 1 47Sc styletextalignright 21 styletextalignright 26 469524075 22 33492 6 d β 47Ti 72 styletextindent1em 47mSc colspan3 styletextindent2em 76683 9 keV 272 8 ns 32 48Sc styletextalignright 21 styletextalignright 27 47952231 6 4367 9 h β 48Ti 6 49Sc styletextalignright 21 styletextalignright 28 48950024 4 572 2 min β 49Ti 72 50Sc styletextalignright 21 styletextalignright 29 49952188 17 1025 5 s β 50Ti 5 rowspan2 styletextindent1em 50mSc rowspan2 colspan3 styletextindent2em 256895 10 keV rowspan2350 40 ms IT 975 50Sc rowspan223 rowspan2 β 25 50Ti 51Sc styletextalignright 21 styletextalignright 30 50953603 22 124 1 s β 51Ti 72 52Sc styletextalignright 21 styletextalignright 31 5195668 21 82 2 s β 52Ti 3 rowspan253Sc rowspan2 styletextalignright 21 rowspan2 styletextalignright 32 rowspan25295961 32 rowspan23 s β 999 53Ti rowspan272 rowspan2 β n 1 52Ti rowspan254Sc rowspan2 styletextalignright 21 rowspan2 styletextalignright 33 rowspan25396326 40 rowspan2260 30 ms β 999 54Ti rowspan23 rowspan2 β n 1 53Ti styletextindent1em 54mSc colspan3 styletextindent2em 110 3 keV 7 5 µs 5 rowspan255Sc rowspan2 styletextalignright 21 rowspan2 styletextalignright 34 rowspan25496824 79 rowspan20115 15 s β 999 55Ti rowspan272 rowspan2 β n 1 54Ti 56Sc styletextalignright 21 styletextalignright 35 5597287 75 35 5 ms β 56Ti 1 57Sc styletextalignright 21 styletextalignright 36 5697779 75 13 4 ms β 57Ti 72 58Sc styletextalignright 21 styletextalignright 37 5798371 86 12 5 ms β 58Ti 3 rowspan259Sc rowspan2 styletextalignright 21 rowspan2 styletextalignright 38 rowspan25898922 97 rowspan210 ms β n 58Ti rowspan272 rowspan2 β 59Ti 60Sc styletextalignright 21 styletextalignright 39 5999571 97 3 ms 3 61Sc styletextalignright 21 styletextalignright 40 6099955348 參考文獻 Isotope masses from Ame2003 Atomic Mass Evaluation by G Audi AH Wapstra C Thibault J Blachot and O Bersillon in Nuclear Physics A729 2003 Halflife spin and isomer data selected from these sources Editing notes on this articles talk page Audi Bersillon Blachot Wapstra The Nubase2003 evaluation of nuclear and decay properties Nuc Phys A 729 pp 3128 2003 National Nuclear Data Center Brookhaven National Laboratory Information extracted from the NuDat 21 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 Sc Category 鈧