溴共有 45 個同位素，其中有 2 個同位素是穩定的。 圖表 68Br styletextalignright 35 styletextalignright 33 6795836 28 50 ns p 67Se 3 69Br styletextalignright 35 styletextalignright 34 6895011 11 24 ns 68Se 12 70Br styletextalignright 35 styletextalignright 35 6994479 33 791 8 ms 70Se 0 rowspan2 styletextindent1em 70mBr rowspan2 colspan3 styletextindent2em 22922 8 keV rowspan222 2 s 70Se rowspan29 rowspan2 rowspan2 IT 70Br 71Br styletextalignright 35 styletextalignright 36 7093874 61 214 6 s 71Se 52 72Br styletextalignright 35 styletextalignright 37 7193664 6 786 24 s 72Se 1 rowspan2 styletextindent1em 72mBr rowspan2 colspan3 styletextindent2em 10092 3 keV rowspan2106 3 s IT 999 72Br rowspan21 rowspan2 rowspan2 01 72Se 73Br styletextalignright 35 styletextalignright 38 7293169 5 34 2 min 73Se 12 74Br styletextalignright 35 styletextalignright 39 73929891 16 254 3 min 74Se 0 styletextindent1em 74mBr colspan3 styletextindent2em 1358 21 keV 46 2 min 74Se 4 75Br styletextalignright 35 styletextalignright 40 74925776 15 967 13 min 75Se 32 76Br styletextalignright 35 styletextalignright 41 75924541 10 162 2 h 76Se 1 rowspan2 styletextindent1em 76mBr rowspan2 colspan3 styletextindent2em 10258 3 keV rowspan2131 2 s IT 994 76Br rowspan24 rowspan2 rowspan2 06 76Se 77Br styletextalignright 35 styletextalignright 42 76921379 3 57036 6 h 77Se 32 styletextindent1em 77mBr colspan3 styletextindent2em 10586 8 keV 428 10 min IT 77Br 92 rowspan278Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 43 rowspan277921146 4 rowspan2646 4 min 9999 78Se rowspan21 rowspan2 rowspan2 001 78Kr styletextindent1em 78mBr colspan3 styletextindent2em 18082 13 keV 1192 10 µs 4 styletextalignright 35 styletextalignright 44 789183371 22 colspan3 styletextaligncenter 32 05069 7 styletextindent1em 79mBr colspan3 styletextindent2em 20761 9 keV 486 4 s IT 79Br 92 rowspan280Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 45 rowspan2799185293 22 rowspan21768 2 min 917 80Kr rowspan21 rowspan2 rowspan2 83 80Se styletextindent1em 80mBr colspan3 styletextindent2em 85843 4 keV 44205 8 h IT 80Br 5 81Br styletextalignright 35 styletextalignright 46 809162906 21 colspan3 styletextaligncenter 32 04931 7 styletextindent1em 81mBr colspan3 styletextindent2em 53620 9 keV 346 28 µs 92 82Br styletextalignright 35 styletextalignright 47 819168041 21 35282 7 h 82Kr 5 rowspan2 styletextindent1em 82mBr rowspan2 colspan3 styletextindent2em 459492 10 keV rowspan2613 5 min IT 82Br rowspan22 rowspan2 rowspan2 82Kr 83Br styletextalignright 35 styletextalignright 48 82915180 5 240 2 h 83Kr 32 styletextindent1em 83mBr colspan3 styletextindent2em 30688 6 keV 700 100 ns 192 84Br styletextalignright 35 styletextalignright 49 83916479 16 3180 8 min 84Kr 2 styletextindent1em 84m1Br colspan3 styletextindent2em 320 10 keV 60 2 min 84Kr 6 styletextindent1em 84m2Br colspan3 styletextindent2em 4082 4 keV 140 ns 1 85Br styletextalignright 35 styletextalignright 50 84915608 21 290 6 min 85Kr 32 86Br styletextalignright 35 styletextalignright 51 85918798 12 551 4 s 86Kr 2 rowspan287Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 52 rowspan286920711 19 rowspan25565 13 s 9748 87Kr rowspan232 rowspan2 rowspan2 252 86Kr rowspan288Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 53 rowspan28792407 4 rowspan21629 6 s 9342 88Kr rowspan22 rowspan2 rowspan2 648 87Kr styletextindent1em 88mBr colspan3 styletextindent2em 2727 3 keV 54 7 µs rowspan289Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 54 rowspan28892639 6 rowspan2440 3 s 862 89Kr rowspan23252 rowspan2 rowspan2 138 88Kr rowspan290Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 55 rowspan28993063 8 rowspan2191 1 s 748 90Kr rowspan2 rowspan2 rowspan2 252 89Kr rowspan291Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 56 rowspan29093397 8 rowspan2541 5 ms 80 91Kr rowspan232 rowspan2 rowspan2 20 90Kr rowspan292Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 57 rowspan29193926 5 rowspan20343 15 s 669 92Kr rowspan22 rowspan2 rowspan2 331 91Kr rowspan293Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 58 rowspan29294305 32 rowspan2102 10 ms 89 93Kr rowspan232 rowspan2 rowspan2 11 92Kr rowspan294Br rowspan2 styletextalignright 35 rowspan2 styletextalignright 59 rowspan29394868 43 rowspan270 20 ms 70 94Kr rowspan2 rowspan2 rowspan2 30 93Kr 95Br styletextalignright 35 styletextalignright 60 9495287 54 50 ms 300 ns 32 96Br styletextalignright 35 styletextalignright 61 9595853 75 20 ms 300 ns 97Br styletextalignright 35 styletextalignright 62 9696280 86 10 ms 300 ns 32 98Br styletextalignright 35 styletextalignright 63 98 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 Isotopic compositions and standard atomic masses from Atomic weights of the elements Review 2000 IUPAC Technical Report Pure Appl Chem Vol 75 No 6 pp 683800 2003 and Atomic Weights Revised 2005 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 Br Category 溴