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Isotopes of Uranium (Z=92)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
²¹⁸U	1.5 ms	0+	%A=100
²¹⁹U	42 us		%A=?
²²⁰U
²²¹U
²²²U	1.0 us	0+	%A=100
²²³U	18 us		%A=?
²²⁴U	0.9 ms	0+	%A=100
²²⁵U	95 ms		%A=100
²²⁶U	0.35 s	0+	%A=100
²²⁷U	1.1 m	(3/2+)	%A=100, %EC+%B+ < 0.001
²²⁸U	9.1 m	0+	%EC<5, %A>95
²²⁹U	58 m	(3/2+)	%EC+%B+ ~ 80, %A ~ 20
²³⁰U	20.8 d	0+	%A=100, %SF < 1.4E-10
²³¹U	4.2 d	(5/2-)	%EC=100, %A ~ 0.0055
²³²U	68.9 y	0+	%A=100, %24NE=9E-11 7
²³³U	1.592e+5 y	5/2+	%A=100, %SF < 6E-11, %24NE < 9.5E-11
²³⁴U	2.455e+5 y	0+	%Abundance=0.0055 5, %A=100, %SF=1.64E-9 22, %NE=9E-12 7, %MG=1.4E-11 3
²³⁵U	7.038e+8 y	7/2-	%Abundance=0.7200 12, %A=100, %SF=7.0E-9 21, %20NE=8E-10 4
^235m1U	25 m	1/2+	%IT=100
²³⁶U	2.342e7 y	0+	%A=100, %SF=9.4E-8 4
²³⁷U	6.75 d	1/2+	%B-=100
²³⁸U	4.468e+9 y	0+	%Abundance=99.2745 60, %A=100, %SF=5.45E-5 7, %BB=2.2E-10 7
^238m1U	225 ns	0+
^238m2U	1 ns
²³⁹U	23.45 m	5/2+	%B-=100
²⁴⁰U	14.1 h	0+	%B-=100
²⁴¹U
²⁴²U	16.8 m	0+	%B-=100

Isotopes of Uranium (Z=92)