磷（原子量：30973761998 5）共有 23 個同位素，其中 31P 是穩定的，其他都具有放射性。30P 是人類獲得的第一種人工放射性同位素。 圖表 rowspan224P rowspan2 styletextalignright 15 rowspan2 styletextalignright 9 rowspan22403435 54 rowspan2 無資料 p 999 23Si rowspan21 rowspan2 1 24Si 25P styletextalignright 15 styletextalignright 10 2502026 21 30 ns p 24Si 12 rowspan326PHas 1 proton rowspan3 styletextalignright 15 rowspan3 styletextalignright 11 rowspan32601178 21 rowspan3437 6 ms β 981 26Si rowspan33 rowspan3 β 2p 10 24Mg β p 9 25Al rowspan227P rowspan2 styletextalignright 15 rowspan2 styletextalignright 12 rowspan226999230 28 rowspan2260 80 ms β 9993 27Si rowspan212 rowspan2 β p 07 26Al rowspan328P rowspan3 styletextalignright 15 rowspan3 styletextalignright 13 rowspan327992315 4 rowspan32703 5 ms β 9999 28Si rowspan33 rowspan3 β p 0013 27Al β α 86104 24Mg 29P styletextalignright 15 styletextalignright 14 289818006 6 4142 15 s β 29Si 12 30P styletextalignright 15 styletextalignright 15 299783138 3 2498 4 min β 30Si 1 styletextalignright 15 styletextalignright 16 3097376163 20 colspan3 aligncenter 12 10000 styletextalignright 15 styletextalignright 17 3197390727 20 14263 3 d β 32S 1 痕量 33P styletextalignright 15 styletextalignright 18 329717255 12 2534 12 d β 33S 12 34P styletextalignright 15 styletextalignright 19 33973636 5 1243 8 s β 34S 1 35P styletextalignright 15 styletextalignright 20 349733141 20 473 7 s β 35S 12 36P styletextalignright 15 styletextalignright 21 35978260 14 56 3 s β 36S 4 37P styletextalignright 15 styletextalignright 22 3697961 4 231 13 s β 37S 12 rowspan238P rowspan2 styletextalignright 15 rowspan2 styletextalignright 23 rowspan23798416 11 rowspan2064 14 s β 88 38S rowspan2 rowspan2 β n 12 37S rowspan239P rowspan2 styletextalignright 15 rowspan2 styletextalignright 24 rowspan23898618 11 rowspan2190 50 ms β 74 39S rowspan212 rowspan2 β n 26 38S rowspan240P rowspan2 styletextalignright 15 rowspan2 styletextalignright 25 rowspan23999130 15 rowspan2153 8 ms β 70 40S rowspan223 rowspan2 β n 30 39S rowspan241P rowspan2 styletextalignright 15 rowspan2 styletextalignright 26 rowspan24099434 23 rowspan2100 5 ms β 70 41S rowspan212 rowspan2 β n 30 40S rowspan242P rowspan2 styletextalignright 15 rowspan2 styletextalignright 27 rowspan24200101 48 rowspan2485 15 ms β 50 42S rowspan2 rowspan2 β n 50 41S 43P styletextalignright 15 styletextalignright 28 4300619 104 365 15 ms β n 42S 12 44P styletextalignright 15 styletextalignright 29 4401299 75 185 25 ms β 44S 45P styletextalignright 15 styletextalignright 30 4501922 86 8 ms 200 ns β 45S 12 46P styletextalignright 15 styletextalignright 31 4602738 97 4 ms 200 ns β 46S 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 P Category 磷