Phosphorus/Isotopes

There are twenty three known isotopes of phosphorus.

Isotope Half-life Abundance or Decay Mode

Isotope	Half-life	spin	Abundance or Decay
24P
25P
26P	20 ms	(3+)	%EC+%B+=100, %ECP+%EC2P ~ 1.9
27P	260 ms	1/2+	%EC+%B+=100, %EC+%B+=100, %ECP ~ 0.05
28P	270.3 ms	3+	%EC+%B+=100, %ECP=0.0013 4, %ECA=0.00086 25
29P	4.140 s	1/2+	%EC+%B+=100
30P	2.498 m	1+	%EC+%B+=100
31P	stable	1/2+	%Abundance=100
32P	14.262 d	1+	%B-=100
33P	25.34 d	1/2+	%B-=100
34P	12.43 s	1+	%B-=100
35P	47.3 s	1/2+	%B-=100
36P	5.6 s		%B-=100
37P	2.31 s		%B-=100
38P	0.64 s		%B-=100, %B-N < 10
39P	0.16 s		%B-=100, %B-N=41 24
40P	260 ms		%B-=100, %B-N=30 10
41P	120 ms		%B-=100, %B-N=30 10
42P	110 ms		%B-=100, %B-N=50 20
43P	33 ms		%B-=100, %B-N=100
44P
45P
46P