Isotopes of phosphorus
List of isotopes
Bold for stable isotopes Has 1 halo proton

Isotopes of phosphorus

Section Title: List of isotopes
Table Section Text: Bold for stable isotopes Has 1 halo proton

nuclide symbol	Z(p)	N(n)	isotopic mass (u)	half-life	decay mode(s)	daughter isotope(s)	nuclear spin and parity	representative isotopic composition (mole fraction)	range of natural variation (mole fraction)

24P	15	9	24.03435(54)#	?	p (>99.9%)	23Si	(1+)#

β+ (<.1%)	24Si

25P	15	10	25.02026(21)#	<30 ns	p	24Si	(1/2+)#

26P	15	11	26.01178(21)#	43.7(6) ms	β+ (98.1%)	26Si	(3+)

β+, 2p (1.0%)	24Mg

β+, p (.9%)	25Al

27P	15	12	26.999230(28)	260(80) ms	β+ (99.93%)	27Si	1/2+

β+, p (.07%)	26Al

28P	15	13	27.992315(4)	270.3(5) ms	β+ (99.99%)	28Si	3+

β+, p (.0013%)	27Al

β+, α (8.6×10−4%)	24Mg

29P	15	14	28.9818006(6)	4.142(15) s	β+	29Si	1/2+

30P	15	15	29.9783138(3)	2.498(4) min	β+	30Si	1+

31P	15	16	30.97376163(20)	Stable	1/2+	1.0000

32P	15	17	31.97390727(20)	14.263(3) d	β−	32S	1+	trace

33P	15	18	32.9717255(12)	25.34(12) d	β−	33S	1/2+

34P	15	19	33.973636(5)	12.43(8) s	β−	34S	1+

35P	15	20	34.9733141(20)	47.3(7) s	β−	35S	1/2+

36P	15	21	35.978260(14)	5.6(3) s	β−	36S	4−#

37P	15	22	36.97961(4)	2.31(13) s	β−	37S	1/2+#

38P	15	23	37.98416(11)	0.64(14) s	β− (88%)	38S

β−, n (12%)	37S

39P	15	24	38.98618(11)	190(50) ms	β− (74%)	39S	1/2+#

β−, n (26%)	38S

40P	15	25	39.99130(15)	153(8) ms	β− (70%)	40S	(2−,3−)

β−, n (30%)	39S

41P	15	26	40.99434(23)	100(5) ms	β− (70%)	41S	1/2+#

β−, n (30%)	40S

42P	15	27	42.00101(48)	48.5(15) ms	β− (50%)	42S

β−, n (50%)	41S

43P	15	28	43.00619(104)	36.5(15) ms	β−, n	42S	1/2+#

44P	15	29	44.01299(75)#	18.5(25) ms	β−	44S

45P	15	30	45.01922(86)#	8# ms [>200 ns]	β−	45S	1/2+#

46P	15	31	46.02738(97)#	4# ms [>200 ns]	β−	46S

Sentence(s)

The longest-lived isotopes are ³³P with a half-life of 25.34 days and ³²P with 14.263 days.

final_sentence: The longest-lived isotopes are ³³P with a half-life of 25.34 days and ³²P with 14.263 days.